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Finding the Fourth Proportional to 797.22, 1,195.97 and 249.26

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Solution

The fourth proportional to 797.22, 1,195.97 and 249.26 is: 373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.22 : 1,195.97 = 249.26 : x
  2. Step 2: Convert to fraction form
    797.22/1,195.97 = 249.26/x
  3. Step 3: Cross multiply
    797.22x = 1,195.97 × 249.26
  4. Step 4: Simplify right side
    797.22x = 298,106.24
  5. Step 5: Solve for x
    x = 298,106.24/797.22
  6. Step 6: Final answer
    x = 373.93

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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.