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Finding the Fourth Proportional to 363.33, 544.99 and 146.85

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Solution

The fourth proportional to 363.33, 544.99 and 146.85 is: 220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.33 : 544.99 = 146.85 : x
  2. Step 2: Convert to fraction form
    363.33/544.99 = 146.85/x
  3. Step 3: Cross multiply
    363.33x = 544.99 × 146.85
  4. Step 4: Simplify right side
    363.33x = 80,031.78
  5. Step 5: Solve for x
    x = 80,031.78/363.33
  6. Step 6: Final answer
    x = 220.27

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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.