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Finding the Fourth Proportional to 363.52, 544.80 and 282.24

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Solution

The fourth proportional to 363.52, 544.80 and 282.24 is: 422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.52 : 544.80 = 282.24 : x
  2. Step 2: Convert to fraction form
    363.52/544.80 = 282.24/x
  3. Step 3: Cross multiply
    363.52x = 544.80 × 282.24
  4. Step 4: Simplify right side
    363.52x = 153,764.35
  5. Step 5: Solve for x
    x = 153,764.35/363.52
  6. Step 6: Final answer
    x = 422.99

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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.