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Finding the Fourth Proportional to 324,614.88, 447,934.32 and 181,380.96

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Solution

The fourth proportional to 324,614.88, 447,934.32 and 181,380.96 is: 250,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,614.88 : 447,934.32 = 181,380.96 : x
  2. Step 2: Convert to fraction form
    324,614.88/447,934.32 = 181,380.96/x
  3. Step 3: Cross multiply
    324,614.88x = 447,934.32 × 181,380.96
  4. Step 4: Simplify right side
    324,614.88x = 81,246,756,978.55
  5. Step 5: Solve for x
    x = 81,246,756,978.55/324,614.88
  6. Step 6: Final answer
    x = 250,286.61

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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.