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Finding the Fourth Proportional to 327,561.68, 451,874.76 and 200,016.56

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Solution

The fourth proportional to 327,561.68, 451,874.76 and 200,016.56 is: 275,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,561.68 : 451,874.76 = 200,016.56 : x
  2. Step 2: Convert to fraction form
    327,561.68/451,874.76 = 200,016.56/x
  3. Step 3: Cross multiply
    327,561.68x = 451,874.76 × 200,016.56
  4. Step 4: Simplify right side
    327,561.68x = 90,382,435,046.03
  5. Step 5: Solve for x
    x = 90,382,435,046.03/327,561.68
  6. Step 6: Final answer
    x = 275,924.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.