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Finding the Fourth Proportional to 533,844.60, 800,640.54 and 154,664.97

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Solution

The fourth proportional to 533,844.60, 800,640.54 and 154,664.97 is: 231,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,844.60 : 800,640.54 = 154,664.97 : x
  2. Step 2: Convert to fraction form
    533,844.60/800,640.54 = 154,664.97/x
  3. Step 3: Cross multiply
    533,844.60x = 800,640.54 × 154,664.97
  4. Step 4: Simplify right side
    533,844.60x = 123,831,045,099.88
  5. Step 5: Solve for x
    x = 123,831,045,099.88/533,844.60
  6. Step 6: Final answer
    x = 231,960.85

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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.