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Finding the Fourth Proportional to 629.24, 868.41 and 367.25

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Solution

The fourth proportional to 629.24, 868.41 and 367.25 is: 506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.24 : 868.41 = 367.25 : x
  2. Step 2: Convert to fraction form
    629.24/868.41 = 367.25/x
  3. Step 3: Cross multiply
    629.24x = 868.41 × 367.25
  4. Step 4: Simplify right side
    629.24x = 318,919.23
  5. Step 5: Solve for x
    x = 318,919.23/629.24
  6. Step 6: Final answer
    x = 506.84

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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.