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Finding the Fourth Proportional to 275,906.10, 413,640.45 and 151,247.10

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Solution

The fourth proportional to 275,906.10, 413,640.45 and 151,247.10 is: 226,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,906.10 : 413,640.45 = 151,247.10 : x
  2. Step 2: Convert to fraction form
    275,906.10/413,640.45 = 151,247.10/x
  3. Step 3: Cross multiply
    275,906.10x = 413,640.45 × 151,247.10
  4. Step 4: Simplify right side
    275,906.10x = 62,561,918,505.20
  5. Step 5: Solve for x
    x = 62,561,918,505.20/275,906.10
  6. Step 6: Final answer
    x = 226,750.76

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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.