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Finding the Fourth Proportional to 322,372.46, 444,878.43 and 179,129.90

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Solution

The fourth proportional to 322,372.46, 444,878.43 and 179,129.90 is: 247,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,372.46 : 444,878.43 = 179,129.90 : x
  2. Step 2: Convert to fraction form
    322,372.46/444,878.43 = 179,129.90/x
  3. Step 3: Cross multiply
    322,372.46x = 444,878.43 × 179,129.90
  4. Step 4: Simplify right side
    322,372.46x = 79,691,028,678.06
  5. Step 5: Solve for x
    x = 79,691,028,678.06/322,372.46
  6. Step 6: Final answer
    x = 247,201.73

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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.