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Finding the Fourth Proportional to 654,599.70, 981,788.10 and 181,174.14

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Solution

The fourth proportional to 654,599.70, 981,788.10 and 181,174.14 is: 271,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,599.70 : 981,788.10 = 181,174.14 : x
  2. Step 2: Convert to fraction form
    654,599.70/981,788.10 = 181,174.14/x
  3. Step 3: Cross multiply
    654,599.70x = 981,788.10 × 181,174.14
  4. Step 4: Simplify right side
    654,599.70x = 177,874,614,679.73
  5. Step 5: Solve for x
    x = 177,874,614,679.73/654,599.70
  6. Step 6: Final answer
    x = 271,730.36

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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.