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Finding the Fourth Proportional to 366.12, 548.37 and 149.04

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Solution

The fourth proportional to 366.12, 548.37 and 149.04 is: 223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.12 : 548.37 = 149.04 : x
  2. Step 2: Convert to fraction form
    366.12/548.37 = 149.04/x
  3. Step 3: Cross multiply
    366.12x = 548.37 × 149.04
  4. Step 4: Simplify right side
    366.12x = 81,729.06
  5. Step 5: Solve for x
    x = 81,729.06/366.12
  6. Step 6: Final answer
    x = 223.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.