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Finding the Fourth Proportional to 339.43, 468.34 and 192.01

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Solution

The fourth proportional to 339.43, 468.34 and 192.01 is: 264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.43 : 468.34 = 192.01 : x
  2. Step 2: Convert to fraction form
    339.43/468.34 = 192.01/x
  3. Step 3: Cross multiply
    339.43x = 468.34 × 192.01
  4. Step 4: Simplify right side
    339.43x = 89,925.96
  5. Step 5: Solve for x
    x = 89,925.96/339.43
  6. Step 6: Final answer
    x = 264.93

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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.