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Finding the Fourth Proportional to 363.32, 544.63 and 240.02

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Solution

The fourth proportional to 363.32, 544.63 and 240.02 is: 359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.32 : 544.63 = 240.02 : x
  2. Step 2: Convert to fraction form
    363.32/544.63 = 240.02/x
  3. Step 3: Cross multiply
    363.32x = 544.63 × 240.02
  4. Step 4: Simplify right side
    363.32x = 130,722.09
  5. Step 5: Solve for x
    x = 130,722.09/363.32
  6. Step 6: Final answer
    x = 359.80

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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.