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Finding the Fourth Proportional to 327,771.78, 491,576.67 and 91,102.74

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Solution

The fourth proportional to 327,771.78, 491,576.67 and 91,102.74 is: 136,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,771.78 : 491,576.67 = 91,102.74 : x
  2. Step 2: Convert to fraction form
    327,771.78/491,576.67 = 91,102.74/x
  3. Step 3: Cross multiply
    327,771.78x = 491,576.67 × 91,102.74
  4. Step 4: Simplify right side
    327,771.78x = 44,783,981,557.08
  5. Step 5: Solve for x
    x = 44,783,981,557.08/327,771.78
  6. Step 6: Final answer
    x = 136,631.60

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1.5x scale

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.