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Finding the Fourth Proportional to 1,197.67, 1,796.46 and 331.96

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Solution

The fourth proportional to 1,197.67, 1,796.46 and 331.96 is: 497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.67 : 1,796.46 = 331.96 : x
  2. Step 2: Convert to fraction form
    1,197.67/1,796.46 = 331.96/x
  3. Step 3: Cross multiply
    1,197.67x = 1,796.46 × 331.96
  4. Step 4: Simplify right side
    1,197.67x = 596,351.20
  5. Step 5: Solve for x
    x = 596,351.20/1,197.67
  6. Step 6: Final answer
    x = 497.93

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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.