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Finding the Fourth Proportional to 351,626.39, 485,245.88 and 190,481.42

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Solution

The fourth proportional to 351,626.39, 485,245.88 and 190,481.42 is: 262,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,626.39 : 485,245.88 = 190,481.42 : x
  2. Step 2: Convert to fraction form
    351,626.39/485,245.88 = 190,481.42/x
  3. Step 3: Cross multiply
    351,626.39x = 485,245.88 × 190,481.42
  4. Step 4: Simplify right side
    351,626.39x = 92,430,324,271.55
  5. Step 5: Solve for x
    x = 92,430,324,271.55/351,626.39
  6. Step 6: Final answer
    x = 262,865.15

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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.