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Finding the Fourth Proportional to 322,243.14, 444,695.31 and 179,016.54

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Solution

The fourth proportional to 322,243.14, 444,695.31 and 179,016.54 is: 247,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,243.14 : 444,695.31 = 179,016.54 : x
  2. Step 2: Convert to fraction form
    322,243.14/444,695.31 = 179,016.54/x
  3. Step 3: Cross multiply
    322,243.14x = 444,695.31 × 179,016.54
  4. Step 4: Simplify right side
    322,243.14x = 79,607,815,750.43
  5. Step 5: Solve for x
    x = 79,607,815,750.43/322,243.14
  6. Step 6: Final answer
    x = 247,042.70

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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.