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Finding the Fourth Proportional to 624,380.40, 861,647.69 and 337,900.52

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Solution

The fourth proportional to 624,380.40, 861,647.69 and 337,900.52 is: 466,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,380.40 : 861,647.69 = 337,900.52 : x
  2. Step 2: Convert to fraction form
    624,380.40/861,647.69 = 337,900.52/x
  3. Step 3: Cross multiply
    624,380.40x = 861,647.69 × 337,900.52
  4. Step 4: Simplify right side
    624,380.40x = 291,151,205,506.67
  5. Step 5: Solve for x
    x = 291,151,205,506.67/624,380.40
  6. Step 6: Final answer
    x = 466,304.20

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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.