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Finding the Fourth Proportional to 298,067.73, 411,121.98 and 183,195.56

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Solution

The fourth proportional to 298,067.73, 411,121.98 and 183,195.56 is: 252,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,067.73 : 411,121.98 = 183,195.56 : x
  2. Step 2: Convert to fraction form
    298,067.73/411,121.98 = 183,195.56/x
  3. Step 3: Cross multiply
    298,067.73x = 411,121.98 × 183,195.56
  4. Step 4: Simplify right side
    298,067.73x = 75,315,719,298.80
  5. Step 5: Solve for x
    x = 75,315,719,298.80/298,067.73
  6. Step 6: Final answer
    x = 252,679.88

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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.