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Finding the Fourth Proportional to 361,942.60, 543,173.10 and 204,003.40

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Solution

The fourth proportional to 361,942.60, 543,173.10 and 204,003.40 is: 306,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,942.60 : 543,173.10 = 204,003.40 : x
  2. Step 2: Convert to fraction form
    361,942.60/543,173.10 = 204,003.40/x
  3. Step 3: Cross multiply
    361,942.60x = 543,173.10 × 204,003.40
  4. Step 4: Simplify right side
    361,942.60x = 110,809,159,188.54
  5. Step 5: Solve for x
    x = 110,809,159,188.54/361,942.60
  6. Step 6: Final answer
    x = 306,151.19

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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.