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Finding the Fourth Proportional to 481,767.54, 664,571.34 and 379,415.94

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Solution

The fourth proportional to 481,767.54, 664,571.34 and 379,415.94 is: 523,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,767.54 : 664,571.34 = 379,415.94 : x
  2. Step 2: Convert to fraction form
    481,767.54/664,571.34 = 379,415.94/x
  3. Step 3: Cross multiply
    481,767.54x = 664,571.34 × 379,415.94
  4. Step 4: Simplify right side
    481,767.54x = 252,148,959,663.16
  5. Step 5: Solve for x
    x = 252,148,959,663.16/481,767.54
  6. Step 6: Final answer
    x = 523,383.04

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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.