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Finding the Fourth Proportional to 654,151.55, 981,608.02 and 275,044.82

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Solution

The fourth proportional to 654,151.55, 981,608.02 and 275,044.82 is: 412,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,151.55 : 981,608.02 = 275,044.82 : x
  2. Step 2: Convert to fraction form
    654,151.55/981,608.02 = 275,044.82/x
  3. Step 3: Cross multiply
    654,151.55x = 981,608.02 × 275,044.82
  4. Step 4: Simplify right side
    654,151.55x = 269,986,195,575.80
  5. Step 5: Solve for x
    x = 269,986,195,575.80/654,151.55
  6. Step 6: Final answer
    x = 412,727.29

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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.