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Finding the Fourth Proportional to 327,900.66, 491,850.18 and 103,279.92

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Solution

The fourth proportional to 327,900.66, 491,850.18 and 103,279.92 is: 154,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,900.66 : 491,850.18 = 103,279.92 : x
  2. Step 2: Convert to fraction form
    327,900.66/491,850.18 = 103,279.92/x
  3. Step 3: Cross multiply
    327,900.66x = 491,850.18 × 103,279.92
  4. Step 4: Simplify right side
    327,900.66x = 50,798,247,242.39
  5. Step 5: Solve for x
    x = 50,798,247,242.39/327,900.66
  6. Step 6: Final answer
    x = 154,919.62

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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.