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Finding the Fourth Proportional to 311.73, 466.94 and 250.13

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Solution

The fourth proportional to 311.73, 466.94 and 250.13 is: 374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.73 : 466.94 = 250.13 : x
  2. Step 2: Convert to fraction form
    311.73/466.94 = 250.13/x
  3. Step 3: Cross multiply
    311.73x = 466.94 × 250.13
  4. Step 4: Simplify right side
    311.73x = 116,792.12
  5. Step 5: Solve for x
    x = 116,792.12/311.73
  6. Step 6: Final answer
    x = 374.66

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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.