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Finding the Fourth Proportional to 321,757.73, 444,053.24 and 176,591.57

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Solution

The fourth proportional to 321,757.73, 444,053.24 and 176,591.57 is: 243,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,757.73 : 444,053.24 = 176,591.57 : x
  2. Step 2: Convert to fraction form
    321,757.73/444,053.24 = 176,591.57/x
  3. Step 3: Cross multiply
    321,757.73x = 444,053.24 × 176,591.57
  4. Step 4: Simplify right side
    321,757.73x = 78,416,056,374.18
  5. Step 5: Solve for x
    x = 78,416,056,374.18/321,757.73
  6. Step 6: Final answer
    x = 243,711.49

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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.