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Finding the Fourth Proportional to 1,197.54, 1,796.32 and 331.92

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Solution

The fourth proportional to 1,197.54, 1,796.32 and 331.92 is: 497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.54 : 1,796.32 = 331.92 : x
  2. Step 2: Convert to fraction form
    1,197.54/1,796.32 = 331.92/x
  3. Step 3: Cross multiply
    1,197.54x = 1,796.32 × 331.92
  4. Step 4: Simplify right side
    1,197.54x = 596,234.53
  5. Step 5: Solve for x
    x = 596,234.53/1,197.54
  6. Step 6: Final answer
    x = 497.88

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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.