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Finding the Fourth Proportional to 311.35, 467.01 and 116.35

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Solution

The fourth proportional to 311.35, 467.01 and 116.35 is: 174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.35 : 467.01 = 116.35 : x
  2. Step 2: Convert to fraction form
    311.35/467.01 = 116.35/x
  3. Step 3: Cross multiply
    311.35x = 467.01 × 116.35
  4. Step 4: Simplify right side
    311.35x = 54,336.61
  5. Step 5: Solve for x
    x = 54,336.61/311.35
  6. Step 6: Final answer
    x = 174.52

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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.