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Finding the Fourth Proportional to 248.61, 343.95 and 244.24

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Solution

The fourth proportional to 248.61, 343.95 and 244.24 is: 337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.61 : 343.95 = 244.24 : x
  2. Step 2: Convert to fraction form
    248.61/343.95 = 244.24/x
  3. Step 3: Cross multiply
    248.61x = 343.95 × 244.24
  4. Step 4: Simplify right side
    248.61x = 84,007.69
  5. Step 5: Solve for x
    x = 84,007.69/248.61
  6. Step 6: Final answer
    x = 337.91

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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.