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Finding the Fourth Proportional to 322,691.91, 445,262.43 and 179,448.27

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Solution

The fourth proportional to 322,691.91, 445,262.43 and 179,448.27 is: 247,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,691.91 : 445,262.43 = 179,448.27 : x
  2. Step 2: Convert to fraction form
    322,691.91/445,262.43 = 179,448.27/x
  3. Step 3: Cross multiply
    322,691.91x = 445,262.43 × 179,448.27
  4. Step 4: Simplify right side
    322,691.91x = 79,901,572,759.50
  5. Step 5: Solve for x
    x = 79,901,572,759.50/322,691.91
  6. Step 6: Final answer
    x = 247,609.47

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1.5x scale

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.