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Finding the Fourth Proportional to 339.39, 468.33 and 192.03

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Solution

The fourth proportional to 339.39, 468.33 and 192.03 is: 264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.39 : 468.33 = 192.03 : x
  2. Step 2: Convert to fraction form
    339.39/468.33 = 192.03/x
  3. Step 3: Cross multiply
    339.39x = 468.33 × 192.03
  4. Step 4: Simplify right side
    339.39x = 89,933.41
  5. Step 5: Solve for x
    x = 89,933.41/339.39
  6. Step 6: Final answer
    x = 264.99

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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.