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Finding the Fourth Proportional to 322,791.30, 445,269.96 and 193,695.48

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Solution

The fourth proportional to 322,791.30, 445,269.96 and 193,695.48 is: 267,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,791.30 : 445,269.96 = 193,695.48 : x
  2. Step 2: Convert to fraction form
    322,791.30/445,269.96 = 193,695.48/x
  3. Step 3: Cross multiply
    322,791.30x = 445,269.96 × 193,695.48
  4. Step 4: Simplify right side
    322,791.30x = 86,246,778,631.78
  5. Step 5: Solve for x
    x = 86,246,778,631.78/322,791.30
  6. Step 6: Final answer
    x = 267,190.53

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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.