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Finding the Fourth Proportional to 422,311.26, 633,496.46 and 169,591.74

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Solution

The fourth proportional to 422,311.26, 633,496.46 and 169,591.74 is: 254,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,311.26 : 633,496.46 = 169,591.74 : x
  2. Step 2: Convert to fraction form
    422,311.26/633,496.46 = 169,591.74/x
  3. Step 3: Cross multiply
    422,311.26x = 633,496.46 × 169,591.74
  4. Step 4: Simplify right side
    422,311.26x = 107,435,766,087.28
  5. Step 5: Solve for x
    x = 107,435,766,087.28/422,311.26
  6. Step 6: Final answer
    x = 254,399.48

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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.