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Finding the Fourth Proportional to 333.67, 460.45 and 193.79

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Solution

The fourth proportional to 333.67, 460.45 and 193.79 is: 267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.67 : 460.45 = 193.79 : x
  2. Step 2: Convert to fraction form
    333.67/460.45 = 193.79/x
  3. Step 3: Cross multiply
    333.67x = 460.45 × 193.79
  4. Step 4: Simplify right side
    333.67x = 89,230.61
  5. Step 5: Solve for x
    x = 89,230.61/333.67
  6. Step 6: Final answer
    x = 267.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.