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Finding the Fourth Proportional to 497.53, 746.18 and 168.46

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Solution

The fourth proportional to 497.53, 746.18 and 168.46 is: 252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.53 : 746.18 = 168.46 : x
  2. Step 2: Convert to fraction form
    497.53/746.18 = 168.46/x
  3. Step 3: Cross multiply
    497.53x = 746.18 × 168.46
  4. Step 4: Simplify right side
    497.53x = 125,701.57
  5. Step 5: Solve for x
    x = 125,701.57/497.53
  6. Step 6: Final answer
    x = 252.65

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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.