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Finding the Fourth Proportional to 327,671.61, 491,504.58 and 91,013.91

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Solution

The fourth proportional to 327,671.61, 491,504.58 and 91,013.91 is: 136,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,671.61 : 491,504.58 = 91,013.91 : x
  2. Step 2: Convert to fraction form
    327,671.61/491,504.58 = 91,013.91/x
  3. Step 3: Cross multiply
    327,671.61x = 491,504.58 × 91,013.91
  4. Step 4: Simplify right side
    327,671.61x = 44,733,753,608.71
  5. Step 5: Solve for x
    x = 44,733,753,608.71/327,671.61
  6. Step 6: Final answer
    x = 136,520.08

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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.