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Finding the Fourth Proportional to 397,285.80, 594,944.55 and 254,912.10

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Solution

The fourth proportional to 397,285.80, 594,944.55 and 254,912.10 is: 381,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,285.80 : 594,944.55 = 254,912.10 : x
  2. Step 2: Convert to fraction form
    397,285.80/594,944.55 = 254,912.10/x
  3. Step 3: Cross multiply
    397,285.80x = 594,944.55 × 254,912.10
  4. Step 4: Simplify right side
    397,285.80x = 151,658,564,624.06
  5. Step 5: Solve for x
    x = 151,658,564,624.06/397,285.80
  6. Step 6: Final answer
    x = 381,736.69

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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.