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Finding the Fourth Proportional to 297.02, 443.36 and 248.24

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Solution

The fourth proportional to 297.02, 443.36 and 248.24 is: 370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.02 : 443.36 = 248.24 : x
  2. Step 2: Convert to fraction form
    297.02/443.36 = 248.24/x
  3. Step 3: Cross multiply
    297.02x = 443.36 × 248.24
  4. Step 4: Simplify right side
    297.02x = 110,059.69
  5. Step 5: Solve for x
    x = 110,059.69/297.02
  6. Step 6: Final answer
    x = 370.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.