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Finding the Fourth Proportional to 624,258.72, 861,470.82 and 337,772.52

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Solution

The fourth proportional to 624,258.72, 861,470.82 and 337,772.52 is: 466,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,258.72 : 861,470.82 = 337,772.52 : x
  2. Step 2: Convert to fraction form
    624,258.72/861,470.82 = 337,772.52/x
  3. Step 3: Cross multiply
    624,258.72x = 861,470.82 × 337,772.52
  4. Step 4: Simplify right side
    624,258.72x = 290,981,169,777.87
  5. Step 5: Solve for x
    x = 290,981,169,777.87/624,258.72
  6. Step 6: Final answer
    x = 466,122.72

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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.