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Finding the Fourth Proportional to 260.94, 359.94 and 162.63

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Solution

The fourth proportional to 260.94, 359.94 and 162.63 is: 224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.94 : 359.94 = 162.63 : x
  2. Step 2: Convert to fraction form
    260.94/359.94 = 162.63/x
  3. Step 3: Cross multiply
    260.94x = 359.94 × 162.63
  4. Step 4: Simplify right side
    260.94x = 58,537.04
  5. Step 5: Solve for x
    x = 58,537.04/260.94
  6. Step 6: Final answer
    x = 224.33

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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.