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Finding the Fourth Proportional to 552.92, 829.44 and 168.08

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Solution

The fourth proportional to 552.92, 829.44 and 168.08 is: 252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.92 : 829.44 = 168.08 : x
  2. Step 2: Convert to fraction form
    552.92/829.44 = 168.08/x
  3. Step 3: Cross multiply
    552.92x = 829.44 × 168.08
  4. Step 4: Simplify right side
    552.92x = 139,412.28
  5. Step 5: Solve for x
    x = 139,412.28/552.92
  6. Step 6: Final answer
    x = 252.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.