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Finding the Fourth Proportional to 297.16, 446.24 and 248.36

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Solution

The fourth proportional to 297.16, 446.24 and 248.36 is: 372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.16 : 446.24 = 248.36 : x
  2. Step 2: Convert to fraction form
    297.16/446.24 = 248.36/x
  3. Step 3: Cross multiply
    297.16x = 446.24 × 248.36
  4. Step 4: Simplify right side
    297.16x = 110,828.17
  5. Step 5: Solve for x
    x = 110,828.17/297.16
  6. Step 6: Final answer
    x = 372.96

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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.