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Finding the Fourth Proportional to 481,573.77, 664,578.72 and 277,620.90

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Solution

The fourth proportional to 481,573.77, 664,578.72 and 277,620.90 is: 383,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,573.77 : 664,578.72 = 277,620.90 : x
  2. Step 2: Convert to fraction form
    481,573.77/664,578.72 = 277,620.90/x
  3. Step 3: Cross multiply
    481,573.77x = 664,578.72 × 277,620.90
  4. Step 4: Simplify right side
    481,573.77x = 184,500,942,367.25
  5. Step 5: Solve for x
    x = 184,500,942,367.25/481,573.77
  6. Step 6: Final answer
    x = 383,120.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.