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Finding the Fourth Proportional to 633.44, 874.02 and 371.48

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Solution

The fourth proportional to 633.44, 874.02 and 371.48 is: 512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.44 : 874.02 = 371.48 : x
  2. Step 2: Convert to fraction form
    633.44/874.02 = 371.48/x
  3. Step 3: Cross multiply
    633.44x = 874.02 × 371.48
  4. Step 4: Simplify right side
    633.44x = 324,680.95
  5. Step 5: Solve for x
    x = 324,680.95/633.44
  6. Step 6: Final answer
    x = 512.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.