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Finding the Fourth Proportional to 281,254.52, 422,379.94 and 269,630.22

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Solution

The fourth proportional to 281,254.52, 422,379.94 and 269,630.22 is: 404,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,254.52 : 422,379.94 = 269,630.22 : x
  2. Step 2: Convert to fraction form
    281,254.52/422,379.94 = 269,630.22/x
  3. Step 3: Cross multiply
    281,254.52x = 422,379.94 × 269,630.22
  4. Step 4: Simplify right side
    281,254.52x = 113,886,396,145.79
  5. Step 5: Solve for x
    x = 113,886,396,145.79/281,254.52
  6. Step 6: Final answer
    x = 404,922.90

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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.