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Finding the Fourth Proportional to 624,381.95, 861,648.15 and 337,902.26

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Solution

The fourth proportional to 624,381.95, 861,648.15 and 337,902.26 is: 466,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,381.95 : 861,648.15 = 337,902.26 : x
  2. Step 2: Convert to fraction form
    624,381.95/861,648.15 = 337,902.26/x
  3. Step 3: Cross multiply
    624,381.95x = 861,648.15 × 337,902.26
  4. Step 4: Simplify right side
    624,381.95x = 291,152,852,901.58
  5. Step 5: Solve for x
    x = 291,152,852,901.58/624,381.95
  6. Step 6: Final answer
    x = 466,305.69

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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.