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Finding the Fourth Proportional to 694.40, 1,041.49 and 232.17

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Solution

The fourth proportional to 694.40, 1,041.49 and 232.17 is: 348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.40 : 1,041.49 = 232.17 : x
  2. Step 2: Convert to fraction form
    694.40/1,041.49 = 232.17/x
  3. Step 3: Cross multiply
    694.40x = 1,041.49 × 232.17
  4. Step 4: Simplify right side
    694.40x = 241,804.98
  5. Step 5: Solve for x
    x = 241,804.98/694.40
  6. Step 6: Final answer
    x = 348.22

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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.