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Finding the Fourth Proportional to 697.27, 1,046.19 and 235.11

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Solution

The fourth proportional to 697.27, 1,046.19 and 235.11 is: 352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.27 : 1,046.19 = 235.11 : x
  2. Step 2: Convert to fraction form
    697.27/1,046.19 = 235.11/x
  3. Step 3: Cross multiply
    697.27x = 1,046.19 × 235.11
  4. Step 4: Simplify right side
    697.27x = 245,969.73
  5. Step 5: Solve for x
    x = 245,969.73/697.27
  6. Step 6: Final answer
    x = 352.76

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