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Finding the Fourth Proportional to 317.37, 476.24 and 134.75

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Solution

The fourth proportional to 317.37, 476.24 and 134.75 is: 202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.37 : 476.24 = 134.75 : x
  2. Step 2: Convert to fraction form
    317.37/476.24 = 134.75/x
  3. Step 3: Cross multiply
    317.37x = 476.24 × 134.75
  4. Step 4: Simplify right side
    317.37x = 64,170.29
  5. Step 5: Solve for x
    x = 64,170.29/317.37
  6. Step 6: Final answer
    x = 202.19

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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.