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Finding the Fourth Proportional to 323,512.60, 485,366.10 and 230,200.60

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Solution

The fourth proportional to 323,512.60, 485,366.10 and 230,200.60 is: 345,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,512.60 : 485,366.10 = 230,200.60 : x
  2. Step 2: Convert to fraction form
    323,512.60/485,366.10 = 230,200.60/x
  3. Step 3: Cross multiply
    323,512.60x = 485,366.10 × 230,200.60
  4. Step 4: Simplify right side
    323,512.60x = 111,731,567,439.66
  5. Step 5: Solve for x
    x = 111,731,567,439.66/323,512.60
  6. Step 6: Final answer
    x = 345,370.06

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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.