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Finding the Fourth Proportional to 327,164.45, 490,545.77 and 127,251.86

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Solution

The fourth proportional to 327,164.45, 490,545.77 and 127,251.86 is: 190,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,164.45 : 490,545.77 = 127,251.86 : x
  2. Step 2: Convert to fraction form
    327,164.45/490,545.77 = 127,251.86/x
  3. Step 3: Cross multiply
    327,164.45x = 490,545.77 × 127,251.86
  4. Step 4: Simplify right side
    327,164.45x = 62,422,858,558.64
  5. Step 5: Solve for x
    x = 62,422,858,558.64/327,164.45
  6. Step 6: Final answer
    x = 190,799.64

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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.