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Finding the Fourth Proportional to 266, 396.93 and 241.76

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Solution

The fourth proportional to 266, 396.93 and 241.76 is: 360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266 : 396.93 = 241.76 : x
  2. Step 2: Convert to fraction form
    266/396.93 = 241.76/x
  3. Step 3: Cross multiply
    266x = 396.93 × 241.76
  4. Step 4: Simplify right side
    266x = 95,961.80
  5. Step 5: Solve for x
    x = 95,961.80/266
  6. Step 6: Final answer
    x = 360.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.