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Finding the Fourth Proportional to 324,680.52, 487,195.20 and 158,468.52

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Solution

The fourth proportional to 324,680.52, 487,195.20 and 158,468.52 is: 237,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,680.52 : 487,195.20 = 158,468.52 : x
  2. Step 2: Convert to fraction form
    324,680.52/487,195.20 = 158,468.52/x
  3. Step 3: Cross multiply
    324,680.52x = 487,195.20 × 158,468.52
  4. Step 4: Simplify right side
    324,680.52x = 77,205,102,295.10
  5. Step 5: Solve for x
    x = 77,205,102,295.10/324,680.52
  6. Step 6: Final answer
    x = 237,787.91

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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.