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Finding the Fourth Proportional to 226,912.38, 340,949.51 and 171,276.47

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Solution

The fourth proportional to 226,912.38, 340,949.51 and 171,276.47 is: 257,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,912.38 : 340,949.51 = 171,276.47 : x
  2. Step 2: Convert to fraction form
    226,912.38/340,949.51 = 171,276.47/x
  3. Step 3: Cross multiply
    226,912.38x = 340,949.51 × 171,276.47
  4. Step 4: Simplify right side
    226,912.38x = 58,396,625,959.90
  5. Step 5: Solve for x
    x = 58,396,625,959.90/226,912.38
  6. Step 6: Final answer
    x = 257,353.19

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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.