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Finding the Fourth Proportional to 481,640.04, 664,655.88 and 263,847.04

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Solution

The fourth proportional to 481,640.04, 664,655.88 and 263,847.04 is: 364,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,640.04 : 664,655.88 = 263,847.04 : x
  2. Step 2: Convert to fraction form
    481,640.04/664,655.88 = 263,847.04/x
  3. Step 3: Cross multiply
    481,640.04x = 664,655.88 × 263,847.04
  4. Step 4: Simplify right side
    481,640.04x = 175,367,486,556.60
  5. Step 5: Solve for x
    x = 175,367,486,556.60/481,640.04
  6. Step 6: Final answer
    x = 364,104.87

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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.