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Finding the Fourth Proportional to 654,381.28, 981,593.80 and 181,027

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Solution

The fourth proportional to 654,381.28, 981,593.80 and 181,027 is: 271,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,381.28 : 981,593.80 = 181,027 : x
  2. Step 2: Convert to fraction form
    654,381.28/981,593.80 = 181,027/x
  3. Step 3: Cross multiply
    654,381.28x = 981,593.80 × 181,027
  4. Step 4: Simplify right side
    654,381.28x = 177,694,980,832.60
  5. Step 5: Solve for x
    x = 177,694,980,832.60/654,381.28
  6. Step 6: Final answer
    x = 271,546.55

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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.