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Finding the Fourth Proportional to 624,355.18, 861,610.85 and 337,875.31

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Solution

The fourth proportional to 624,355.18, 861,610.85 and 337,875.31 is: 466,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,355.18 : 861,610.85 = 337,875.31 : x
  2. Step 2: Convert to fraction form
    624,355.18/861,610.85 = 337,875.31/x
  3. Step 3: Cross multiply
    624,355.18x = 861,610.85 × 337,875.31
  4. Step 4: Simplify right side
    624,355.18x = 291,117,033,043.11
  5. Step 5: Solve for x
    x = 291,117,033,043.11/624,355.18
  6. Step 6: Final answer
    x = 466,268.31

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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.