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Finding the Fourth Proportional to 331,978.24, 497,891.52 and 95,319.04

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Solution

The fourth proportional to 331,978.24, 497,891.52 and 95,319.04 is: 142,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,978.24 : 497,891.52 = 95,319.04 : x
  2. Step 2: Convert to fraction form
    331,978.24/497,891.52 = 95,319.04/x
  3. Step 3: Cross multiply
    331,978.24x = 497,891.52 × 95,319.04
  4. Step 4: Simplify right side
    331,978.24x = 47,458,541,710.54
  5. Step 5: Solve for x
    x = 47,458,541,710.54/331,978.24
  6. Step 6: Final answer
    x = 142,956.78

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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.