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Finding the Fourth Proportional to 266,796.20, 400,194.30 and 236,469.80

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Solution

The fourth proportional to 266,796.20, 400,194.30 and 236,469.80 is: 354,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,796.20 : 400,194.30 = 236,469.80 : x
  2. Step 2: Convert to fraction form
    266,796.20/400,194.30 = 236,469.80/x
  3. Step 3: Cross multiply
    266,796.20x = 400,194.30 × 236,469.80
  4. Step 4: Simplify right side
    266,796.20x = 94,633,866,082.14
  5. Step 5: Solve for x
    x = 94,633,866,082.14/266,796.20
  6. Step 6: Final answer
    x = 354,704.70

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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.