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Finding the Fourth Proportional to 349.24, 481.94 and 191.87

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Solution

The fourth proportional to 349.24, 481.94 and 191.87 is: 264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.24 : 481.94 = 191.87 : x
  2. Step 2: Convert to fraction form
    349.24/481.94 = 191.87/x
  3. Step 3: Cross multiply
    349.24x = 481.94 × 191.87
  4. Step 4: Simplify right side
    349.24x = 92,469.83
  5. Step 5: Solve for x
    x = 92,469.83/349.24
  6. Step 6: Final answer
    x = 264.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.