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Finding the Fourth Proportional to 352,759.52, 486,621.52 and 223,469.92

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Solution

The fourth proportional to 352,759.52, 486,621.52 and 223,469.92 is: 308,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,759.52 : 486,621.52 = 223,469.92 : x
  2. Step 2: Convert to fraction form
    352,759.52/486,621.52 = 223,469.92/x
  3. Step 3: Cross multiply
    352,759.52x = 486,621.52 × 223,469.92
  4. Step 4: Simplify right side
    352,759.52x = 108,745,272,144.68
  5. Step 5: Solve for x
    x = 108,745,272,144.68/352,759.52
  6. Step 6: Final answer
    x = 308,270.27

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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.