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Finding the Fourth Proportional to 798.26, 1,197.48 and 250.52

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Solution

The fourth proportional to 798.26, 1,197.48 and 250.52 is: 375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.26 : 1,197.48 = 250.52 : x
  2. Step 2: Convert to fraction form
    798.26/1,197.48 = 250.52/x
  3. Step 3: Cross multiply
    798.26x = 1,197.48 × 250.52
  4. Step 4: Simplify right side
    798.26x = 299,992.69
  5. Step 5: Solve for x
    x = 299,992.69/798.26
  6. Step 6: Final answer
    x = 375.81

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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.