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Finding the Fourth Proportional to 327,251.52, 490,235.76 and 169,583.40

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Solution

The fourth proportional to 327,251.52, 490,235.76 and 169,583.40 is: 254,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,251.52 : 490,235.76 = 169,583.40 : x
  2. Step 2: Convert to fraction form
    327,251.52/490,235.76 = 169,583.40/x
  3. Step 3: Cross multiply
    327,251.52x = 490,235.76 × 169,583.40
  4. Step 4: Simplify right side
    327,251.52x = 83,135,846,982.38
  5. Step 5: Solve for x
    x = 83,135,846,982.38/327,251.52
  6. Step 6: Final answer
    x = 254,042.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.