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Finding the Fourth Proportional to 352,725.60, 486,791.37 and 199,791.03

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Solution

The fourth proportional to 352,725.60, 486,791.37 and 199,791.03 is: 275,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,725.60 : 486,791.37 = 199,791.03 : x
  2. Step 2: Convert to fraction form
    352,725.60/486,791.37 = 199,791.03/x
  3. Step 3: Cross multiply
    352,725.60x = 486,791.37 × 199,791.03
  4. Step 4: Simplify right side
    352,725.60x = 97,256,549,207.41
  5. Step 5: Solve for x
    x = 97,256,549,207.41/352,725.60
  6. Step 6: Final answer
    x = 275,728.64

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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.