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Finding the Fourth Proportional to 655,251.55, 904,526.13 and 440,516.17

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Solution

The fourth proportional to 655,251.55, 904,526.13 and 440,516.17 is: 608,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,251.55 : 904,526.13 = 440,516.17 : x
  2. Step 2: Convert to fraction form
    655,251.55/904,526.13 = 440,516.17/x
  3. Step 3: Cross multiply
    655,251.55x = 904,526.13 × 440,516.17
  4. Step 4: Simplify right side
    655,251.55x = 398,458,386,452.52
  5. Step 5: Solve for x
    x = 398,458,386,452.52/655,251.55
  6. Step 6: Final answer
    x = 608,099.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.