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Finding the Fourth Proportional to 363.36, 544.90 and 132.19

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Solution

The fourth proportional to 363.36, 544.90 and 132.19 is: 198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.36 : 544.90 = 132.19 : x
  2. Step 2: Convert to fraction form
    363.36/544.90 = 132.19/x
  3. Step 3: Cross multiply
    363.36x = 544.90 × 132.19
  4. Step 4: Simplify right side
    363.36x = 72,030.79
  5. Step 5: Solve for x
    x = 72,030.79/363.36
  6. Step 6: Final answer
    x = 198.23

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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.