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Finding the Fourth Proportional to 697.43, 1,046.22 and 235.24

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Solution

The fourth proportional to 697.43, 1,046.22 and 235.24 is: 352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.43 : 1,046.22 = 235.24 : x
  2. Step 2: Convert to fraction form
    697.43/1,046.22 = 235.24/x
  3. Step 3: Cross multiply
    697.43x = 1,046.22 × 235.24
  4. Step 4: Simplify right side
    697.43x = 246,112.79
  5. Step 5: Solve for x
    x = 246,112.79/697.43
  6. Step 6: Final answer
    x = 352.89

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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.