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Finding the Fourth Proportional to 797.28, 1,196.58 and 682.46

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Solution

The fourth proportional to 797.28, 1,196.58 and 682.46 is: 1,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.28 : 1,196.58 = 682.46 : x
  2. Step 2: Convert to fraction form
    797.28/1,196.58 = 682.46/x
  3. Step 3: Cross multiply
    797.28x = 1,196.58 × 682.46
  4. Step 4: Simplify right side
    797.28x = 816,617.99
  5. Step 5: Solve for x
    x = 816,617.99/797.28
  6. Step 6: Final answer
    x = 1,024.25

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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.