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Finding the Fourth Proportional to 322,871.48, 445,562.87 and 179,631.62

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Solution

The fourth proportional to 322,871.48, 445,562.87 and 179,631.62 is: 247,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,871.48 : 445,562.87 = 179,631.62 : x
  2. Step 2: Convert to fraction form
    322,871.48/445,562.87 = 179,631.62/x
  3. Step 3: Cross multiply
    322,871.48x = 445,562.87 × 179,631.62
  4. Step 4: Simplify right side
    322,871.48x = 80,037,177,023.98
  5. Step 5: Solve for x
    x = 80,037,177,023.98/322,871.48
  6. Step 6: Final answer
    x = 247,891.76

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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.