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Finding the Fourth Proportional to 327,952.04, 491,879.10 and 91,270.04

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Solution

The fourth proportional to 327,952.04, 491,879.10 and 91,270.04 is: 136,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,952.04 : 491,879.10 = 91,270.04 : x
  2. Step 2: Convert to fraction form
    327,952.04/491,879.10 = 91,270.04/x
  3. Step 3: Cross multiply
    327,952.04x = 491,879.10 × 91,270.04
  4. Step 4: Simplify right side
    327,952.04x = 44,893,825,132.16
  5. Step 5: Solve for x
    x = 44,893,825,132.16/327,952.04
  6. Step 6: Final answer
    x = 136,891.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.