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Finding the Fourth Proportional to 322,540.82, 445,067.57 and 177,322.71

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Solution

The fourth proportional to 322,540.82, 445,067.57 and 177,322.71 is: 244,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,540.82 : 445,067.57 = 177,322.71 : x
  2. Step 2: Convert to fraction form
    322,540.82/445,067.57 = 177,322.71/x
  3. Step 3: Cross multiply
    322,540.82x = 445,067.57 × 177,322.71
  4. Step 4: Simplify right side
    322,540.82x = 78,920,586,758.90
  5. Step 5: Solve for x
    x = 78,920,586,758.90/322,540.82
  6. Step 6: Final answer
    x = 244,684.03

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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.