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Finding the Fourth Proportional to 311.11, 466.82 and 237.94

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Solution

The fourth proportional to 311.11, 466.82 and 237.94 is: 357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.11 : 466.82 = 237.94 : x
  2. Step 2: Convert to fraction form
    311.11/466.82 = 237.94/x
  3. Step 3: Cross multiply
    311.11x = 466.82 × 237.94
  4. Step 4: Simplify right side
    311.11x = 111,073.69
  5. Step 5: Solve for x
    x = 111,073.69/311.11
  6. Step 6: Final answer
    x = 357.03

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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.