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Finding the Fourth Proportional to 622,149.60, 930,891.60 and 412,197.60

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Solution

The fourth proportional to 622,149.60, 930,891.60 and 412,197.60 is: 616,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,149.60 : 930,891.60 = 412,197.60 : x
  2. Step 2: Convert to fraction form
    622,149.60/930,891.60 = 412,197.60/x
  3. Step 3: Cross multiply
    622,149.60x = 930,891.60 × 412,197.60
  4. Step 4: Simplify right side
    622,149.60x = 383,711,283,380.16
  5. Step 5: Solve for x
    x = 383,711,283,380.16/622,149.60
  6. Step 6: Final answer
    x = 616,750.83

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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.