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Finding the Fourth Proportional to 327,384.27, 491,074.25 and 84,224.97

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Solution

The fourth proportional to 327,384.27, 491,074.25 and 84,224.97 is: 126,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,384.27 : 491,074.25 = 84,224.97 : x
  2. Step 2: Convert to fraction form
    327,384.27/491,074.25 = 84,224.97/x
  3. Step 3: Cross multiply
    327,384.27x = 491,074.25 × 84,224.97
  4. Step 4: Simplify right side
    327,384.27x = 41,360,713,552.90
  5. Step 5: Solve for x
    x = 41,360,713,552.90/327,384.27
  6. Step 6: Final answer
    x = 126,336.90

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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.