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Finding the Fourth Proportional to 351,496.92, 485,065.01 and 190,351.47

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Solution

The fourth proportional to 351,496.92, 485,065.01 and 190,351.47 is: 262,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,496.92 : 485,065.01 = 190,351.47 : x
  2. Step 2: Convert to fraction form
    351,496.92/485,065.01 = 190,351.47/x
  3. Step 3: Cross multiply
    351,496.92x = 485,065.01 × 190,351.47
  4. Step 4: Simplify right side
    351,496.92x = 92,332,836,194.72
  5. Step 5: Solve for x
    x = 92,332,836,194.72/351,496.92
  6. Step 6: Final answer
    x = 262,684.63

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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.