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Finding the Fourth Proportional to 382.44, 572.22 and 234.25

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Solution

The fourth proportional to 382.44, 572.22 and 234.25 is: 350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.44 : 572.22 = 234.25 : x
  2. Step 2: Convert to fraction form
    382.44/572.22 = 234.25/x
  3. Step 3: Cross multiply
    382.44x = 572.22 × 234.25
  4. Step 4: Simplify right side
    382.44x = 134,041.10
  5. Step 5: Solve for x
    x = 134,041.10/382.44
  6. Step 6: Final answer
    x = 350.49

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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.