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Finding the Fourth Proportional to 329.44, 493.44 and 200.92

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Solution

The fourth proportional to 329.44, 493.44 and 200.92 is: 300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.44 : 493.44 = 200.92 : x
  2. Step 2: Convert to fraction form
    329.44/493.44 = 200.92/x
  3. Step 3: Cross multiply
    329.44x = 493.44 × 200.92
  4. Step 4: Simplify right side
    329.44x = 99,141.96
  5. Step 5: Solve for x
    x = 99,141.96/329.44
  6. Step 6: Final answer
    x = 300.94

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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.