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Finding the Fourth Proportional to 269,453.40, 404,180.10 and 169,726.20

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Solution

The fourth proportional to 269,453.40, 404,180.10 and 169,726.20 is: 254,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,453.40 : 404,180.10 = 169,726.20 : x
  2. Step 2: Convert to fraction form
    269,453.40/404,180.10 = 169,726.20/x
  3. Step 3: Cross multiply
    269,453.40x = 404,180.10 × 169,726.20
  4. Step 4: Simplify right side
    269,453.40x = 68,599,952,488.62
  5. Step 5: Solve for x
    x = 68,599,952,488.62/269,453.40
  6. Step 6: Final answer
    x = 254,589.30

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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.