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Finding the Fourth Proportional to 333.40, 460.08 and 193.43

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Solution

The fourth proportional to 333.40, 460.08 and 193.43 is: 266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.40 : 460.08 = 193.43 : x
  2. Step 2: Convert to fraction form
    333.40/460.08 = 193.43/x
  3. Step 3: Cross multiply
    333.40x = 460.08 × 193.43
  4. Step 4: Simplify right side
    333.40x = 88,990.97
  5. Step 5: Solve for x
    x = 88,990.97/333.40
  6. Step 6: Final answer
    x = 266.92

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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.