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Finding the Fourth Proportional to 363.32, 544.99 and 146.88

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Solution

The fourth proportional to 363.32, 544.99 and 146.88 is: 220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.32 : 544.99 = 146.88 : x
  2. Step 2: Convert to fraction form
    363.32/544.99 = 146.88/x
  3. Step 3: Cross multiply
    363.32x = 544.99 × 146.88
  4. Step 4: Simplify right side
    363.32x = 80,048.13
  5. Step 5: Solve for x
    x = 80,048.13/363.32
  6. Step 6: Final answer
    x = 220.32

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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.