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Finding the Fourth Proportional to 624,351.74, 861,607.55 and 337,871.75

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Solution

The fourth proportional to 624,351.74, 861,607.55 and 337,871.75 is: 466,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,351.74 : 861,607.55 = 337,871.75 : x
  2. Step 2: Convert to fraction form
    624,351.74/861,607.55 = 337,871.75/x
  3. Step 3: Cross multiply
    624,351.74x = 861,607.55 × 337,871.75
  4. Step 4: Simplify right side
    624,351.74x = 291,112,844,734.32
  5. Step 5: Solve for x
    x = 291,112,844,734.32/624,351.74
  6. Step 6: Final answer
    x = 466,264.17

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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.