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Finding the Fourth Proportional to 329.27, 493.78 and 183.24

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Solution

The fourth proportional to 329.27, 493.78 and 183.24 is: 274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.27 : 493.78 = 183.24 : x
  2. Step 2: Convert to fraction form
    329.27/493.78 = 183.24/x
  3. Step 3: Cross multiply
    329.27x = 493.78 × 183.24
  4. Step 4: Simplify right side
    329.27x = 90,479.89
  5. Step 5: Solve for x
    x = 90,479.89/329.27
  6. Step 6: Final answer
    x = 274.79

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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.