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Finding the Fourth Proportional to 281,414.44, 422,219.22 and 123,620.92

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Solution

The fourth proportional to 281,414.44, 422,219.22 and 123,620.92 is: 185,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,414.44 : 422,219.22 = 123,620.92 : x
  2. Step 2: Convert to fraction form
    281,414.44/422,219.22 = 123,620.92/x
  3. Step 3: Cross multiply
    281,414.44x = 422,219.22 × 123,620.92
  4. Step 4: Simplify right side
    281,414.44x = 52,195,128,418.08
  5. Step 5: Solve for x
    x = 52,195,128,418.08/281,414.44
  6. Step 6: Final answer
    x = 185,474.24

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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.