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Finding the Fourth Proportional to 701.33, 967.61 and 406.42

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Solution

The fourth proportional to 701.33, 967.61 and 406.42 is: 560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.33 : 967.61 = 406.42 : x
  2. Step 2: Convert to fraction form
    701.33/967.61 = 406.42/x
  3. Step 3: Cross multiply
    701.33x = 967.61 × 406.42
  4. Step 4: Simplify right side
    701.33x = 393,254.65
  5. Step 5: Solve for x
    x = 393,254.65/701.33
  6. Step 6: Final answer
    x = 560.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.