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Finding the Fourth Proportional to 624,404, 861,677.52 and 337,926.17

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Solution

The fourth proportional to 624,404, 861,677.52 and 337,926.17 is: 466,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,404 : 861,677.52 = 337,926.17 : x
  2. Step 2: Convert to fraction form
    624,404/861,677.52 = 337,926.17/x
  3. Step 3: Cross multiply
    624,404x = 861,677.52 × 337,926.17
  4. Step 4: Simplify right side
    624,404x = 291,183,384,108.70
  5. Step 5: Solve for x
    x = 291,183,384,108.70/624,404
  6. Step 6: Final answer
    x = 466,338.11

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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.