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Finding the Fourth Proportional to 467,906.20, 701,859.30 and 268,840.60

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Solution

The fourth proportional to 467,906.20, 701,859.30 and 268,840.60 is: 403,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,906.20 : 701,859.30 = 268,840.60 : x
  2. Step 2: Convert to fraction form
    467,906.20/701,859.30 = 268,840.60/x
  3. Step 3: Cross multiply
    467,906.20x = 701,859.30 × 268,840.60
  4. Step 4: Simplify right side
    467,906.20x = 188,688,275,327.58
  5. Step 5: Solve for x
    x = 188,688,275,327.58/467,906.20
  6. Step 6: Final answer
    x = 403,260.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.