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Finding the Fourth Proportional to 260.74, 359.89 and 162.44

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Solution

The fourth proportional to 260.74, 359.89 and 162.44 is: 224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.74 : 359.89 = 162.44 : x
  2. Step 2: Convert to fraction form
    260.74/359.89 = 162.44/x
  3. Step 3: Cross multiply
    260.74x = 359.89 × 162.44
  4. Step 4: Simplify right side
    260.74x = 58,460.53
  5. Step 5: Solve for x
    x = 58,460.53/260.74
  6. Step 6: Final answer
    x = 224.21

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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.