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Finding the Fourth Proportional to 797.98, 1,197.03 and 250.54

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Solution

The fourth proportional to 797.98, 1,197.03 and 250.54 is: 375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.98 : 1,197.03 = 250.54 : x
  2. Step 2: Convert to fraction form
    797.98/1,197.03 = 250.54/x
  3. Step 3: Cross multiply
    797.98x = 1,197.03 × 250.54
  4. Step 4: Simplify right side
    797.98x = 299,903.90
  5. Step 5: Solve for x
    x = 299,903.90/797.98
  6. Step 6: Final answer
    x = 375.83

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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.