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Finding the Fourth Proportional to 608.29, 912.49 and 169.57

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Solution

The fourth proportional to 608.29, 912.49 and 169.57 is: 254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.29 : 912.49 = 169.57 : x
  2. Step 2: Convert to fraction form
    608.29/912.49 = 169.57/x
  3. Step 3: Cross multiply
    608.29x = 912.49 × 169.57
  4. Step 4: Simplify right side
    608.29x = 154,730.93
  5. Step 5: Solve for x
    x = 154,730.93/608.29
  6. Step 6: Final answer
    x = 254.37

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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.