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Finding the Fourth Proportional to 548.04, 822.11 and 163.29

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Solution

The fourth proportional to 548.04, 822.11 and 163.29 is: 244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.04 : 822.11 = 163.29 : x
  2. Step 2: Convert to fraction form
    548.04/822.11 = 163.29/x
  3. Step 3: Cross multiply
    548.04x = 822.11 × 163.29
  4. Step 4: Simplify right side
    548.04x = 134,241.53
  5. Step 5: Solve for x
    x = 134,241.53/548.04
  6. Step 6: Final answer
    x = 244.95

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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.