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Finding the Fourth Proportional to 351,626.58, 485,246.14 and 190,481.61

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Solution

The fourth proportional to 351,626.58, 485,246.14 and 190,481.61 is: 262,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,626.58 : 485,246.14 = 190,481.61 : x
  2. Step 2: Convert to fraction form
    351,626.58/485,246.14 = 190,481.61/x
  3. Step 3: Cross multiply
    351,626.58x = 485,246.14 × 190,481.61
  4. Step 4: Simplify right side
    351,626.58x = 92,430,466,469.69
  5. Step 5: Solve for x
    x = 92,430,466,469.69/351,626.58
  6. Step 6: Final answer
    x = 262,865.42

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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.