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Finding the Fourth Proportional to 261.44, 360.24 and 244.16

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Solution

The fourth proportional to 261.44, 360.24 and 244.16 is: 336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261.44 : 360.24 = 244.16 : x
  2. Step 2: Convert to fraction form
    261.44/360.24 = 244.16/x
  3. Step 3: Cross multiply
    261.44x = 360.24 × 244.16
  4. Step 4: Simplify right side
    261.44x = 87,956.20
  5. Step 5: Solve for x
    x = 87,956.20/261.44
  6. Step 6: Final answer
    x = 336.43

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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.