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Finding the Fourth Proportional to 363.33, 544.98 and 189.96

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Solution

The fourth proportional to 363.33, 544.98 and 189.96 is: 284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.33 : 544.98 = 189.96 : x
  2. Step 2: Convert to fraction form
    363.33/544.98 = 189.96/x
  3. Step 3: Cross multiply
    363.33x = 544.98 × 189.96
  4. Step 4: Simplify right side
    363.33x = 103,524.40
  5. Step 5: Solve for x
    x = 103,524.40/363.33
  6. Step 6: Final answer
    x = 284.93

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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.