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Finding the Fourth Proportional to 552.76, 829.26 and 168

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Solution

The fourth proportional to 552.76, 829.26 and 168 is: 252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.76 : 829.26 = 168 : x
  2. Step 2: Convert to fraction form
    552.76/829.26 = 168/x
  3. Step 3: Cross multiply
    552.76x = 829.26 × 168
  4. Step 4: Simplify right side
    552.76x = 139,315.68
  5. Step 5: Solve for x
    x = 139,315.68/552.76
  6. Step 6: Final answer
    x = 252.04

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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.