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Finding the Fourth Proportional to 260.84, 360.32 and 195.84

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Solution

The fourth proportional to 260.84, 360.32 and 195.84 is: 270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.84 : 360.32 = 195.84 : x
  2. Step 2: Convert to fraction form
    260.84/360.32 = 195.84/x
  3. Step 3: Cross multiply
    260.84x = 360.32 × 195.84
  4. Step 4: Simplify right side
    260.84x = 70,564.09
  5. Step 5: Solve for x
    x = 70,564.09/260.84
  6. Step 6: Final answer
    x = 270.52

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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.