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Finding the Fourth Proportional to 797.17, 1,195.67 and 249.33

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Solution

The fourth proportional to 797.17, 1,195.67 and 249.33 is: 373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.17 : 1,195.67 = 249.33 : x
  2. Step 2: Convert to fraction form
    797.17/1,195.67 = 249.33/x
  3. Step 3: Cross multiply
    797.17x = 1,195.67 × 249.33
  4. Step 4: Simplify right side
    797.17x = 298,121.51
  5. Step 5: Solve for x
    x = 298,121.51/797.17
  6. Step 6: Final answer
    x = 373.98

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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.