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Finding the Fourth Proportional to 322,871.27, 445,562.28 and 179,631.29

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Solution

The fourth proportional to 322,871.27, 445,562.28 and 179,631.29 is: 247,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,871.27 : 445,562.28 = 179,631.29 : x
  2. Step 2: Convert to fraction form
    322,871.27/445,562.28 = 179,631.29/x
  3. Step 3: Cross multiply
    322,871.27x = 445,562.28 × 179,631.29
  4. Step 4: Simplify right side
    322,871.27x = 80,036,927,131.74
  5. Step 5: Solve for x
    x = 80,036,927,131.74/322,871.27
  6. Step 6: Final answer
    x = 247,891.14

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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.