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Finding the Fourth Proportional to 226,434.40, 339,910.80 and 132,992.80

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Solution

The fourth proportional to 226,434.40, 339,910.80 and 132,992.80 is: 199,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,434.40 : 339,910.80 = 132,992.80 : x
  2. Step 2: Convert to fraction form
    226,434.40/339,910.80 = 132,992.80/x
  3. Step 3: Cross multiply
    226,434.40x = 339,910.80 × 132,992.80
  4. Step 4: Simplify right side
    226,434.40x = 45,205,689,042.24
  5. Step 5: Solve for x
    x = 45,205,689,042.24/226,434.40
  6. Step 6: Final answer
    x = 199,641.44

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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.