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Finding the Fourth Proportional to 481,177.80, 664,007.22 and 263,391.48

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Solution

The fourth proportional to 481,177.80, 664,007.22 and 263,391.48 is: 363,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,177.80 : 664,007.22 = 263,391.48 : x
  2. Step 2: Convert to fraction form
    481,177.80/664,007.22 = 263,391.48/x
  3. Step 3: Cross multiply
    481,177.80x = 664,007.22 × 263,391.48
  4. Step 4: Simplify right side
    481,177.80x = 174,893,844,406.49
  5. Step 5: Solve for x
    x = 174,893,844,406.49/481,177.80
  6. Step 6: Final answer
    x = 363,470.31

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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.