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Finding the Fourth Proportional to 382.22, 573.58 and 165.95

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Solution

The fourth proportional to 382.22, 573.58 and 165.95 is: 249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.22 : 573.58 = 165.95 : x
  2. Step 2: Convert to fraction form
    382.22/573.58 = 165.95/x
  3. Step 3: Cross multiply
    382.22x = 573.58 × 165.95
  4. Step 4: Simplify right side
    382.22x = 95,185.09
  5. Step 5: Solve for x
    x = 95,185.09/382.22
  6. Step 6: Final answer
    x = 249.03

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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.