Finding the Fourth Proportional to 524,627.75, 787,190.58 and 271,860.99
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Solution
The fourth proportional to 524,627.75, 787,190.58 and 271,860.99 is: 407,920.50
Step by Step Solution
- Step 1: Write the proportion equation
524,627.75 : 787,190.58 = 271,860.99 : x - Step 2: Convert to fraction form
524,627.75/787,190.58 = 271,860.99/x - Step 3: Cross multiply
524,627.75x = 787,190.58 × 271,860.99 - Step 4: Simplify right side
524,627.75x = 214,006,410,397.47 - Step 5: Solve for x
x = 214,006,410,397.47/524,627.75 - Step 6: Final answer
x = 407,920.50
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.