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Finding the Fourth Proportional to 794.84, 1,198.36 and 673.96

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Solution

The fourth proportional to 794.84, 1,198.36 and 673.96 is: 1,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.84 : 1,198.36 = 673.96 : x
  2. Step 2: Convert to fraction form
    794.84/1,198.36 = 673.96/x
  3. Step 3: Cross multiply
    794.84x = 1,198.36 × 673.96
  4. Step 4: Simplify right side
    794.84x = 807,646.71
  5. Step 5: Solve for x
    x = 807,646.71/794.84
  6. Step 6: Final answer
    x = 1,016.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.