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Finding the Fourth Proportional to 461,004.27, 636,170.17 and 254,280.85

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Solution

The fourth proportional to 461,004.27, 636,170.17 and 254,280.85 is: 350,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,004.27 : 636,170.17 = 254,280.85 : x
  2. Step 2: Convert to fraction form
    461,004.27/636,170.17 = 254,280.85/x
  3. Step 3: Cross multiply
    461,004.27x = 636,170.17 × 254,280.85
  4. Step 4: Simplify right side
    461,004.27x = 161,765,891,572.25
  5. Step 5: Solve for x
    x = 161,765,891,572.25/461,004.27
  6. Step 6: Final answer
    x = 350,898.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.