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Finding the Fourth Proportional to 2,328.43, 3,492.82 and 768.37

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Solution

The fourth proportional to 2,328.43, 3,492.82 and 768.37 is: 1,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.43 : 3,492.82 = 768.37 : x
  2. Step 2: Convert to fraction form
    2,328.43/3,492.82 = 768.37/x
  3. Step 3: Cross multiply
    2,328.43x = 3,492.82 × 768.37
  4. Step 4: Simplify right side
    2,328.43x = 2,683,791.62
  5. Step 5: Solve for x
    x = 2,683,791.62/2,328.43
  6. Step 6: Final answer
    x = 1,152.62

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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.