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Finding the Fourth Proportional to 703.92, 967.36 and 579.36

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Solution

The fourth proportional to 703.92, 967.36 and 579.36 is: 796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.92 : 967.36 = 579.36 : x
  2. Step 2: Convert to fraction form
    703.92/967.36 = 579.36/x
  3. Step 3: Cross multiply
    703.92x = 967.36 × 579.36
  4. Step 4: Simplify right side
    703.92x = 560,449.69
  5. Step 5: Solve for x
    x = 560,449.69/703.92
  6. Step 6: Final answer
    x = 796.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.