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Finding the Fourth Proportional to 363.29, 544.64 and 168.41

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Solution

The fourth proportional to 363.29, 544.64 and 168.41 is: 252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.29 : 544.64 = 168.41 : x
  2. Step 2: Convert to fraction form
    363.29/544.64 = 168.41/x
  3. Step 3: Cross multiply
    363.29x = 544.64 × 168.41
  4. Step 4: Simplify right side
    363.29x = 91,719.26
  5. Step 5: Solve for x
    x = 91,719.26/363.29
  6. Step 6: Final answer
    x = 252.47

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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.