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Finding the Fourth Proportional to 317.02, 475.22 and 134.24

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Solution

The fourth proportional to 317.02, 475.22 and 134.24 is: 201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.02 : 475.22 = 134.24 : x
  2. Step 2: Convert to fraction form
    317.02/475.22 = 134.24/x
  3. Step 3: Cross multiply
    317.02x = 475.22 × 134.24
  4. Step 4: Simplify right side
    317.02x = 63,793.53
  5. Step 5: Solve for x
    x = 63,793.53/317.02
  6. Step 6: Final answer
    x = 201.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.