A chihuahua, pitbull, and great dane weigh a combined weight of 439 pounds. The pitbull weighs 3 times as much as the chihuahua.  The great dane weighs 10 more pounds than triple the pitbull.  How much does the great dane weigh? Let's think step by step and output the final answer after "####".
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Let x represent the weight of the chihuahua
Pitbull:3x
Great dane:10+3(3x)=10+9x
Total:x+3x+10+9x=439
13x+10=439
13x=429
x=<<33=33>>33 pounds
Great dane:10+9(33)=307 pounds
#### 307
A chihuahua, pitbull, and great dane weigh a combined weight of 439 pounds. The pitbull weighs 3 times as much as the chihuahua.  The great dane weighs 10 more pounds than triple the pitbull.  How much does the great dane weigh?
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