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Finding the Fourth Proportional to 331.94, 497.92 and 88.46

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Solution

The fourth proportional to 331.94, 497.92 and 88.46 is: 132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.94 : 497.92 = 88.46 : x
  2. Step 2: Convert to fraction form
    331.94/497.92 = 88.46/x
  3. Step 3: Cross multiply
    331.94x = 497.92 × 88.46
  4. Step 4: Simplify right side
    331.94x = 44,046.00
  5. Step 5: Solve for x
    x = 44,046.00/331.94
  6. Step 6: Final answer
    x = 132.69

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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.