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Finding the Fourth Proportional to 484,008.52, 726,160.56 and 247,517.32

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Solution

The fourth proportional to 484,008.52, 726,160.56 and 247,517.32 is: 371,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,008.52 : 726,160.56 = 247,517.32 : x
  2. Step 2: Convert to fraction form
    484,008.52/726,160.56 = 247,517.32/x
  3. Step 3: Cross multiply
    484,008.52x = 726,160.56 × 247,517.32
  4. Step 4: Simplify right side
    484,008.52x = 179,737,315,700.90
  5. Step 5: Solve for x
    x = 179,737,315,700.90/484,008.52
  6. Step 6: Final answer
    x = 371,351.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.