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Finding the Fourth Proportional to 327,449.52, 451,887.66 and 200,195.28

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Solution

The fourth proportional to 327,449.52, 451,887.66 and 200,195.28 is: 276,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,449.52 : 451,887.66 = 200,195.28 : x
  2. Step 2: Convert to fraction form
    327,449.52/451,887.66 = 200,195.28/x
  3. Step 3: Cross multiply
    327,449.52x = 451,887.66 × 200,195.28
  4. Step 4: Simplify right side
    327,449.52x = 90,465,776,622.24
  5. Step 5: Solve for x
    x = 90,465,776,622.24/327,449.52
  6. Step 6: Final answer
    x = 276,273.96

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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.