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Finding the Fourth Proportional to 608.34, 912.63 and 223.62

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Solution

The fourth proportional to 608.34, 912.63 and 223.62 is: 335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.34 : 912.63 = 223.62 : x
  2. Step 2: Convert to fraction form
    608.34/912.63 = 223.62/x
  3. Step 3: Cross multiply
    608.34x = 912.63 × 223.62
  4. Step 4: Simplify right side
    608.34x = 204,082.32
  5. Step 5: Solve for x
    x = 204,082.32/608.34
  6. Step 6: Final answer
    x = 335.47

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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.