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Finding the Fourth Proportional to 533,836.36, 800,879.12 and 154,765

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Solution

The fourth proportional to 533,836.36, 800,879.12 and 154,765 is: 232,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,836.36 : 800,879.12 = 154,765 : x
  2. Step 2: Convert to fraction form
    533,836.36/800,879.12 = 154,765/x
  3. Step 3: Cross multiply
    533,836.36x = 800,879.12 × 154,765
  4. Step 4: Simplify right side
    533,836.36x = 123,948,057,006.80
  5. Step 5: Solve for x
    x = 123,948,057,006.80/533,836.36
  6. Step 6: Final answer
    x = 232,183.62

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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.