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Finding the Fourth Proportional to 263.16, 362.70 and 248.52

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Solution

The fourth proportional to 263.16, 362.70 and 248.52 is: 342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.16 : 362.70 = 248.52 : x
  2. Step 2: Convert to fraction form
    263.16/362.70 = 248.52/x
  3. Step 3: Cross multiply
    263.16x = 362.70 × 248.52
  4. Step 4: Simplify right side
    263.16x = 90,138.20
  5. Step 5: Solve for x
    x = 90,138.20/263.16
  6. Step 6: Final answer
    x = 342.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.