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Finding the Fourth Proportional to 624,413.04, 861,689.92 and 337,933.16

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Solution

The fourth proportional to 624,413.04, 861,689.92 and 337,933.16 is: 466,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,413.04 : 861,689.92 = 337,933.16 : x
  2. Step 2: Convert to fraction form
    624,413.04/861,689.92 = 337,933.16/x
  3. Step 3: Cross multiply
    624,413.04x = 861,689.92 × 337,933.16
  4. Step 4: Simplify right side
    624,413.04x = 291,193,597,605.75
  5. Step 5: Solve for x
    x = 291,193,597,605.75/624,413.04
  6. Step 6: Final answer
    x = 466,347.72

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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.