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Finding the Fourth Proportional to 311.99, 467.87 and 182.04

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Solution

The fourth proportional to 311.99, 467.87 and 182.04 is: 272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.99 : 467.87 = 182.04 : x
  2. Step 2: Convert to fraction form
    311.99/467.87 = 182.04/x
  3. Step 3: Cross multiply
    311.99x = 467.87 × 182.04
  4. Step 4: Simplify right side
    311.99x = 85,168.39
  5. Step 5: Solve for x
    x = 85,168.39/311.99
  6. Step 6: Final answer
    x = 272.99

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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.