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Finding the Fourth Proportional to 327,574.55, 491,375.79 and 114,363.92

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Solution

The fourth proportional to 327,574.55, 491,375.79 and 114,363.92 is: 171,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,574.55 : 491,375.79 = 114,363.92 : x
  2. Step 2: Convert to fraction form
    327,574.55/491,375.79 = 114,363.92/x
  3. Step 3: Cross multiply
    327,574.55x = 491,375.79 × 114,363.92
  4. Step 4: Simplify right side
    327,574.55x = 56,195,659,080.62
  5. Step 5: Solve for x
    x = 56,195,659,080.62/327,574.55
  6. Step 6: Final answer
    x = 171,550.75

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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.