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Finding the Fourth Proportional to 361,058.98, 498,221.17 and 199,873.66

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Solution

The fourth proportional to 361,058.98, 498,221.17 and 199,873.66 is: 275,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,058.98 : 498,221.17 = 199,873.66 : x
  2. Step 2: Convert to fraction form
    361,058.98/498,221.17 = 199,873.66/x
  3. Step 3: Cross multiply
    361,058.98x = 498,221.17 × 199,873.66
  4. Step 4: Simplify right side
    361,058.98x = 99,581,288,737.38
  5. Step 5: Solve for x
    x = 99,581,288,737.38/361,058.98
  6. Step 6: Final answer
    x = 275,803.38

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Double scale
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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.