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Finding the Fourth Proportional to 722,092.62, 996,600.06 and 411,995.46

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Solution

The fourth proportional to 722,092.62, 996,600.06 and 411,995.46 is: 568,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,092.62 : 996,600.06 = 411,995.46 : x
  2. Step 2: Convert to fraction form
    722,092.62/996,600.06 = 411,995.46/x
  3. Step 3: Cross multiply
    722,092.62x = 996,600.06 × 411,995.46
  4. Step 4: Simplify right side
    722,092.62x = 410,594,700,155.73
  5. Step 5: Solve for x
    x = 410,594,700,155.73/722,092.62
  6. Step 6: Final answer
    x = 568,617.78

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Similar ratio
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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.