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Finding the Fourth Proportional to 794.70, 1,097.22 and 496.06

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Solution

The fourth proportional to 794.70, 1,097.22 and 496.06 is: 684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.70 : 1,097.22 = 496.06 : x
  2. Step 2: Convert to fraction form
    794.70/1,097.22 = 496.06/x
  3. Step 3: Cross multiply
    794.70x = 1,097.22 × 496.06
  4. Step 4: Simplify right side
    794.70x = 544,286.95
  5. Step 5: Solve for x
    x = 544,286.95/794.70
  6. Step 6: Final answer
    x = 684.90

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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.