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Finding the Fourth Proportional to 339.93, 471.26 and 333.23

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Solution

The fourth proportional to 339.93, 471.26 and 333.23 is: 461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.93 : 471.26 = 333.23 : x
  2. Step 2: Convert to fraction form
    339.93/471.26 = 333.23/x
  3. Step 3: Cross multiply
    339.93x = 471.26 × 333.23
  4. Step 4: Simplify right side
    339.93x = 157,036.45
  5. Step 5: Solve for x
    x = 157,036.45/339.93
  6. Step 6: Final answer
    x = 461.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.