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Finding the Fourth Proportional to 311.99, 467.53 and 183.47

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Solution

The fourth proportional to 311.99, 467.53 and 183.47 is: 274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.99 : 467.53 = 183.47 : x
  2. Step 2: Convert to fraction form
    311.99/467.53 = 183.47/x
  3. Step 3: Cross multiply
    311.99x = 467.53 × 183.47
  4. Step 4: Simplify right side
    311.99x = 85,774.93
  5. Step 5: Solve for x
    x = 85,774.93/311.99
  6. Step 6: Final answer
    x = 274.93

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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.