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Finding the Fourth Proportional to 481,367.40, 664,282.44 and 277,343.52

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Solution

The fourth proportional to 481,367.40, 664,282.44 and 277,343.52 is: 382,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,367.40 : 664,282.44 = 277,343.52 : x
  2. Step 2: Convert to fraction form
    481,367.40/664,282.44 = 277,343.52/x
  3. Step 3: Cross multiply
    481,367.40x = 664,282.44 × 277,343.52
  4. Step 4: Simplify right side
    481,367.40x = 184,234,430,183.79
  5. Step 5: Solve for x
    x = 184,234,430,183.79/481,367.40
  6. Step 6: Final answer
    x = 382,731.42

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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.