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Finding the Fourth Proportional to 655,324.20, 981,100.62 and 586,942.92

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Solution

The fourth proportional to 655,324.20, 981,100.62 and 586,942.92 is: 878,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,324.20 : 981,100.62 = 586,942.92 : x
  2. Step 2: Convert to fraction form
    655,324.20/981,100.62 = 586,942.92/x
  3. Step 3: Cross multiply
    655,324.20x = 981,100.62 × 586,942.92
  4. Step 4: Simplify right side
    655,324.20x = 575,850,062,716.61
  5. Step 5: Solve for x
    x = 575,850,062,716.61/655,324.20
  6. Step 6: Final answer
    x = 878,725.47

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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.