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Finding the Fourth Proportional to 624,341.36, 861,591.06 and 337,861.44

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Solution

The fourth proportional to 624,341.36, 861,591.06 and 337,861.44 is: 466,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,341.36 : 861,591.06 = 337,861.44 : x
  2. Step 2: Convert to fraction form
    624,341.36/861,591.06 = 337,861.44/x
  3. Step 3: Cross multiply
    624,341.36x = 861,591.06 × 337,861.44
  4. Step 4: Simplify right side
    624,341.36x = 291,098,396,222.73
  5. Step 5: Solve for x
    x = 291,098,396,222.73/624,341.36
  6. Step 6: Final answer
    x = 466,248.78

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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.