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Finding the Fourth Proportional to 248.06, 372.93 and 202.73

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Solution

The fourth proportional to 248.06, 372.93 and 202.73 is: 304.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.06 : 372.93 = 202.73 : x
  2. Step 2: Convert to fraction form
    248.06/372.93 = 202.73/x
  3. Step 3: Cross multiply
    248.06x = 372.93 × 202.73
  4. Step 4: Simplify right side
    248.06x = 75,604.10
  5. Step 5: Solve for x
    x = 75,604.10/248.06
  6. Step 6: Final answer
    x = 304.78

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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.