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Finding the Fourth Proportional to 269,794.96, 404,692.20 and 80,254.56

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Solution

The fourth proportional to 269,794.96, 404,692.20 and 80,254.56 is: 120,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,794.96 : 404,692.20 = 80,254.56 : x
  2. Step 2: Convert to fraction form
    269,794.96/404,692.20 = 80,254.56/x
  3. Step 3: Cross multiply
    269,794.96x = 404,692.20 × 80,254.56
  4. Step 4: Simplify right side
    269,794.96x = 32,478,394,446.43
  5. Step 5: Solve for x
    x = 32,478,394,446.43/269,794.96
  6. Step 6: Final answer
    x = 120,381.77

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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.