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Finding the Fourth Proportional to 558.25, 837.53 and 168.24

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Solution

The fourth proportional to 558.25, 837.53 and 168.24 is: 252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.25 : 837.53 = 168.24 : x
  2. Step 2: Convert to fraction form
    558.25/837.53 = 168.24/x
  3. Step 3: Cross multiply
    558.25x = 837.53 × 168.24
  4. Step 4: Simplify right side
    558.25x = 140,906.05
  5. Step 5: Solve for x
    x = 140,906.05/558.25
  6. Step 6: Final answer
    x = 252.41

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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.