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Finding the Fourth Proportional to 481,751.60, 664,816.86 and 263,960.48

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Solution

The fourth proportional to 481,751.60, 664,816.86 and 263,960.48 is: 364,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,751.60 : 664,816.86 = 263,960.48 : x
  2. Step 2: Convert to fraction form
    481,751.60/664,816.86 = 263,960.48/x
  3. Step 3: Cross multiply
    481,751.60x = 664,816.86 × 263,960.48
  4. Step 4: Simplify right side
    481,751.60x = 175,485,377,477.69
  5. Step 5: Solve for x
    x = 175,485,377,477.69/481,751.60
  6. Step 6: Final answer
    x = 364,265.27

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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.