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Finding the Fourth Proportional to 344,906.25, 475,960.87 and 191,942

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Solution

The fourth proportional to 344,906.25, 475,960.87 and 191,942 is: 264,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,906.25 : 475,960.87 = 191,942 : x
  2. Step 2: Convert to fraction form
    344,906.25/475,960.87 = 191,942/x
  3. Step 3: Cross multiply
    344,906.25x = 475,960.87 × 191,942
  4. Step 4: Simplify right side
    344,906.25x = 91,356,881,309.54
  5. Step 5: Solve for x
    x = 91,356,881,309.54/344,906.25
  6. Step 6: Final answer
    x = 264,874.53

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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.