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Finding the Fourth Proportional to 395,521.92, 592,591.68 and 329,387.52

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Solution

The fourth proportional to 395,521.92, 592,591.68 and 329,387.52 is: 493,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,521.92 : 592,591.68 = 329,387.52 : x
  2. Step 2: Convert to fraction form
    395,521.92/592,591.68 = 329,387.52/x
  3. Step 3: Cross multiply
    395,521.92x = 592,591.68 × 329,387.52
  4. Step 4: Simplify right side
    395,521.92x = 195,192,303,847.83
  5. Step 5: Solve for x
    x = 195,192,303,847.83/395,521.92
  6. Step 6: Final answer
    x = 493,505.65

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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.