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Finding the Fourth Proportional to 693.33, 1,040.04 and 230.95

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Solution

The fourth proportional to 693.33, 1,040.04 and 230.95 is: 346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.33 : 1,040.04 = 230.95 : x
  2. Step 2: Convert to fraction form
    693.33/1,040.04 = 230.95/x
  3. Step 3: Cross multiply
    693.33x = 1,040.04 × 230.95
  4. Step 4: Simplify right side
    693.33x = 240,198.54
  5. Step 5: Solve for x
    x = 240,198.54/693.33
  6. Step 6: Final answer
    x = 346.44

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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.