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Finding the Fourth Proportional to 624,452.06, 861,750.16 and 337,978.28

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Solution

The fourth proportional to 624,452.06, 861,750.16 and 337,978.28 is: 466,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,452.06 : 861,750.16 = 337,978.28 : x
  2. Step 2: Convert to fraction form
    624,452.06/861,750.16 = 337,978.28/x
  3. Step 3: Cross multiply
    624,452.06x = 861,750.16 × 337,978.28
  4. Step 4: Simplify right side
    624,452.06x = 291,252,836,866.53
  5. Step 5: Solve for x
    x = 291,252,836,866.53/624,452.06
  6. Step 6: Final answer
    x = 466,413.45

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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.