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Finding the Fourth Proportional to 263.50, 394.73 and 248.52

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Solution

The fourth proportional to 263.50, 394.73 and 248.52 is: 372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.50 : 394.73 = 248.52 : x
  2. Step 2: Convert to fraction form
    263.50/394.73 = 248.52/x
  3. Step 3: Cross multiply
    263.50x = 394.73 × 248.52
  4. Step 4: Simplify right side
    263.50x = 98,096.95
  5. Step 5: Solve for x
    x = 98,096.95/263.50
  6. Step 6: Final answer
    x = 372.28

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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.