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Finding the Fourth Proportional to 697.41, 1,046.23 and 235.23

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Solution

The fourth proportional to 697.41, 1,046.23 and 235.23 is: 352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.41 : 1,046.23 = 235.23 : x
  2. Step 2: Convert to fraction form
    697.41/1,046.23 = 235.23/x
  3. Step 3: Cross multiply
    697.41x = 1,046.23 × 235.23
  4. Step 4: Simplify right side
    697.41x = 246,104.68
  5. Step 5: Solve for x
    x = 246,104.68/697.41
  6. Step 6: Final answer
    x = 352.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.