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Finding the Fourth Proportional to 260.56, 388.18 and 244

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Solution

The fourth proportional to 260.56, 388.18 and 244 is: 363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.56 : 388.18 = 244 : x
  2. Step 2: Convert to fraction form
    260.56/388.18 = 244/x
  3. Step 3: Cross multiply
    260.56x = 388.18 × 244
  4. Step 4: Simplify right side
    260.56x = 94,715.92
  5. Step 5: Solve for x
    x = 94,715.92/260.56
  6. Step 6: Final answer
    x = 363.51

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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.