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Finding the Fourth Proportional to 269,399.12, 404,098.68 and 269,010.32

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Solution

The fourth proportional to 269,399.12, 404,098.68 and 269,010.32 is: 403,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,399.12 : 404,098.68 = 269,010.32 : x
  2. Step 2: Convert to fraction form
    269,399.12/404,098.68 = 269,010.32/x
  3. Step 3: Cross multiply
    269,399.12x = 404,098.68 × 269,010.32
  4. Step 4: Simplify right side
    269,399.12x = 108,706,715,218.38
  5. Step 5: Solve for x
    x = 108,706,715,218.38/269,399.12
  6. Step 6: Final answer
    x = 403,515.48

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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.