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Finding the Fourth Proportional to 322,635.65, 445,234.43 and 179,394.44

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Solution

The fourth proportional to 322,635.65, 445,234.43 and 179,394.44 is: 247,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,635.65 : 445,234.43 = 179,394.44 : x
  2. Step 2: Convert to fraction form
    322,635.65/445,234.43 = 179,394.44/x
  3. Step 3: Cross multiply
    322,635.65x = 445,234.43 × 179,394.44
  4. Step 4: Simplify right side
    322,635.65x = 79,872,578,115.42
  5. Step 5: Solve for x
    x = 79,872,578,115.42/322,635.65
  6. Step 6: Final answer
    x = 247,562.78

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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.