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Finding the Fourth Proportional to 436,024.70, 654,037.05 and 411,530.30

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Solution

The fourth proportional to 436,024.70, 654,037.05 and 411,530.30 is: 617,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,024.70 : 654,037.05 = 411,530.30 : x
  2. Step 2: Convert to fraction form
    436,024.70/654,037.05 = 411,530.30/x
  3. Step 3: Cross multiply
    436,024.70x = 654,037.05 × 411,530.30
  4. Step 4: Simplify right side
    436,024.70x = 269,156,063,397.62
  5. Step 5: Solve for x
    x = 269,156,063,397.62/436,024.70
  6. Step 6: Final answer
    x = 617,295.45

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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.