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Finding the Fourth Proportional to 322,581.30, 445,171.82 and 177,379.53

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Solution

The fourth proportional to 322,581.30, 445,171.82 and 177,379.53 is: 244,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,581.30 : 445,171.82 = 177,379.53 : x
  2. Step 2: Convert to fraction form
    322,581.30/445,171.82 = 177,379.53/x
  3. Step 3: Cross multiply
    322,581.30x = 445,171.82 × 177,379.53
  4. Step 4: Simplify right side
    322,581.30x = 78,964,367,313.95
  5. Step 5: Solve for x
    x = 78,964,367,313.95/322,581.30
  6. Step 6: Final answer
    x = 244,789.04

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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.