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Finding the Fourth Proportional to 797.93, 1,196.48 and 249.96

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Solution

The fourth proportional to 797.93, 1,196.48 and 249.96 is: 374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.93 : 1,196.48 = 249.96 : x
  2. Step 2: Convert to fraction form
    797.93/1,196.48 = 249.96/x
  3. Step 3: Cross multiply
    797.93x = 1,196.48 × 249.96
  4. Step 4: Simplify right side
    797.93x = 299,070.89
  5. Step 5: Solve for x
    x = 299,070.89/797.93
  6. Step 6: Final answer
    x = 374.81

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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.