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Finding the Fourth Proportional to 269,776.67, 404,664.84 and 80,236.26

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Solution

The fourth proportional to 269,776.67, 404,664.84 and 80,236.26 is: 120,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,776.67 : 404,664.84 = 80,236.26 : x
  2. Step 2: Convert to fraction form
    269,776.67/404,664.84 = 80,236.26/x
  3. Step 3: Cross multiply
    269,776.67x = 404,664.84 × 80,236.26
  4. Step 4: Simplify right side
    269,776.67x = 32,468,793,315.10
  5. Step 5: Solve for x
    x = 32,468,793,315.10/269,776.67
  6. Step 6: Final answer
    x = 120,354.34

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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.