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Finding the Fourth Proportional to 322,662.67, 445,285.27 and 177,474.58

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Solution

The fourth proportional to 322,662.67, 445,285.27 and 177,474.58 is: 244,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,662.67 : 445,285.27 = 177,474.58 : x
  2. Step 2: Convert to fraction form
    322,662.67/445,285.27 = 177,474.58/x
  3. Step 3: Cross multiply
    322,662.67x = 445,285.27 × 177,474.58
  4. Step 4: Simplify right side
    322,662.67x = 79,026,815,382.07
  5. Step 5: Solve for x
    x = 79,026,815,382.07/322,662.67
  6. Step 6: Final answer
    x = 244,920.85

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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.