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Finding the Fourth Proportional to 327,380.88, 451,790.28 and 193,244.88

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Solution

The fourth proportional to 327,380.88, 451,790.28 and 193,244.88 is: 266,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,380.88 : 451,790.28 = 193,244.88 : x
  2. Step 2: Convert to fraction form
    327,380.88/451,790.28 = 193,244.88/x
  3. Step 3: Cross multiply
    327,380.88x = 451,790.28 × 193,244.88
  4. Step 4: Simplify right side
    327,380.88x = 87,306,158,443.77
  5. Step 5: Solve for x
    x = 87,306,158,443.77/327,380.88
  6. Step 6: Final answer
    x = 266,680.69

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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.