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Finding the Fourth Proportional to 339.62, 468.67 and 192.26

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Solution

The fourth proportional to 339.62, 468.67 and 192.26 is: 265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.62 : 468.67 = 192.26 : x
  2. Step 2: Convert to fraction form
    339.62/468.67 = 192.26/x
  3. Step 3: Cross multiply
    339.62x = 468.67 × 192.26
  4. Step 4: Simplify right side
    339.62x = 90,106.49
  5. Step 5: Solve for x
    x = 90,106.49/339.62
  6. Step 6: Final answer
    x = 265.32

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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.