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Finding the Fourth Proportional to 327,451.52, 451,890.42 and 200,197.28

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Solution

The fourth proportional to 327,451.52, 451,890.42 and 200,197.28 is: 276,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,451.52 : 451,890.42 = 200,197.28 : x
  2. Step 2: Convert to fraction form
    327,451.52/451,890.42 = 200,197.28/x
  3. Step 3: Cross multiply
    327,451.52x = 451,890.42 × 200,197.28
  4. Step 4: Simplify right side
    327,451.52x = 90,467,232,942.06
  5. Step 5: Solve for x
    x = 90,467,232,942.06/327,451.52
  6. Step 6: Final answer
    x = 276,276.72

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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.