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Finding the Fourth Proportional to 798.22, 1,197.46 and 250.26

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Solution

The fourth proportional to 798.22, 1,197.46 and 250.26 is: 375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.22 : 1,197.46 = 250.26 : x
  2. Step 2: Convert to fraction form
    798.22/1,197.46 = 250.26/x
  3. Step 3: Cross multiply
    798.22x = 1,197.46 × 250.26
  4. Step 4: Simplify right side
    798.22x = 299,676.34
  5. Step 5: Solve for x
    x = 299,676.34/798.22
  6. Step 6: Final answer
    x = 375.43

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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.