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Finding the Fourth Proportional to 327,524.21, 491,286.54 and 90,867.11

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Solution

The fourth proportional to 327,524.21, 491,286.54 and 90,867.11 is: 136,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,524.21 : 491,286.54 = 90,867.11 : x
  2. Step 2: Convert to fraction form
    327,524.21/491,286.54 = 90,867.11/x
  3. Step 3: Cross multiply
    327,524.21x = 491,286.54 × 90,867.11
  4. Step 4: Simplify right side
    327,524.21x = 44,641,785,615.27
  5. Step 5: Solve for x
    x = 44,641,785,615.27/327,524.21
  6. Step 6: Final answer
    x = 136,300.72

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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.