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Finding the Fourth Proportional to 654,600.70, 981,789.60 and 181,175.14

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Solution

The fourth proportional to 654,600.70, 981,789.60 and 181,175.14 is: 271,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,600.70 : 981,789.60 = 181,175.14 : x
  2. Step 2: Convert to fraction form
    654,600.70/981,789.60 = 181,175.14/x
  3. Step 3: Cross multiply
    654,600.70x = 981,789.60 × 181,175.14
  4. Step 4: Simplify right side
    654,600.70x = 177,875,868,230.54
  5. Step 5: Solve for x
    x = 177,875,868,230.54/654,600.70
  6. Step 6: Final answer
    x = 271,731.86

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1.5x scale

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.