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Finding the Fourth Proportional to 327,494.22, 491,241.29 and 90,836.90

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Solution

The fourth proportional to 327,494.22, 491,241.29 and 90,836.90 is: 136,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,494.22 : 491,241.29 = 90,836.90 : x
  2. Step 2: Convert to fraction form
    327,494.22/491,241.29 = 90,836.90/x
  3. Step 3: Cross multiply
    327,494.22x = 491,241.29 × 90,836.90
  4. Step 4: Simplify right side
    327,494.22x = 44,622,837,390.80
  5. Step 5: Solve for x
    x = 44,622,837,390.80/327,494.22
  6. Step 6: Final answer
    x = 136,255.34

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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.