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Finding the Fourth Proportional to 592,366.97, 816,616.15 and 422,305.85

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Solution

The fourth proportional to 592,366.97, 816,616.15 and 422,305.85 is: 582,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,366.97 : 816,616.15 = 422,305.85 : x
  2. Step 2: Convert to fraction form
    592,366.97/816,616.15 = 422,305.85/x
  3. Step 3: Cross multiply
    592,366.97x = 816,616.15 × 422,305.85
  4. Step 4: Simplify right side
    592,366.97x = 344,861,778,335.25
  5. Step 5: Solve for x
    x = 344,861,778,335.25/592,366.97
  6. Step 6: Final answer
    x = 582,175.91

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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.