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Finding the Fourth Proportional to 327,560.32, 491,340.46 and 90,903.08

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Solution

The fourth proportional to 327,560.32, 491,340.46 and 90,903.08 is: 136,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,560.32 : 491,340.46 = 90,903.08 : x
  2. Step 2: Convert to fraction form
    327,560.32/491,340.46 = 90,903.08/x
  3. Step 3: Cross multiply
    327,560.32x = 491,340.46 × 90,903.08
  4. Step 4: Simplify right side
    327,560.32x = 44,664,361,142.62
  5. Step 5: Solve for x
    x = 44,664,361,142.62/327,560.32
  6. Step 6: Final answer
    x = 136,354.61

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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.