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Finding the Fourth Proportional to 363.14, 544.50 and 146.48

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Solution

The fourth proportional to 363.14, 544.50 and 146.48 is: 219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.14 : 544.50 = 146.48 : x
  2. Step 2: Convert to fraction form
    363.14/544.50 = 146.48/x
  3. Step 3: Cross multiply
    363.14x = 544.50 × 146.48
  4. Step 4: Simplify right side
    363.14x = 79,758.36
  5. Step 5: Solve for x
    x = 79,758.36/363.14
  6. Step 6: Final answer
    x = 219.64

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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.