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Finding the Fourth Proportional to 363, 544.44 and 132.16

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Solution

The fourth proportional to 363, 544.44 and 132.16 is: 198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363 : 544.44 = 132.16 : x
  2. Step 2: Convert to fraction form
    363/544.44 = 132.16/x
  3. Step 3: Cross multiply
    363x = 544.44 × 132.16
  4. Step 4: Simplify right side
    363x = 71,953.19
  5. Step 5: Solve for x
    x = 71,953.19/363
  6. Step 6: Final answer
    x = 198.22

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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.