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Finding the Fourth Proportional to 493.37, 740.04 and 168.73

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Solution

The fourth proportional to 493.37, 740.04 and 168.73 is: 253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.37 : 740.04 = 168.73 : x
  2. Step 2: Convert to fraction form
    493.37/740.04 = 168.73/x
  3. Step 3: Cross multiply
    493.37x = 740.04 × 168.73
  4. Step 4: Simplify right side
    493.37x = 124,865.10
  5. Step 5: Solve for x
    x = 124,865.10/493.37
  6. Step 6: Final answer
    x = 253.09

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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.