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Finding the Fourth Proportional to 269,714.40, 404,425.80 and 111,958.80

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Solution

The fourth proportional to 269,714.40, 404,425.80 and 111,958.80 is: 167,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,714.40 : 404,425.80 = 111,958.80 : x
  2. Step 2: Convert to fraction form
    269,714.40/404,425.80 = 111,958.80/x
  3. Step 3: Cross multiply
    269,714.40x = 404,425.80 × 111,958.80
  4. Step 4: Simplify right side
    269,714.40x = 45,279,027,257.04
  5. Step 5: Solve for x
    x = 45,279,027,257.04/269,714.40
  6. Step 6: Final answer
    x = 167,877.68

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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.