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Finding the Fourth Proportional to 352,334.93, 486,223.56 and 191,189.97

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Solution

The fourth proportional to 352,334.93, 486,223.56 and 191,189.97 is: 263,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,334.93 : 486,223.56 = 191,189.97 : x
  2. Step 2: Convert to fraction form
    352,334.93/486,223.56 = 191,189.97/x
  3. Step 3: Cross multiply
    352,334.93x = 486,223.56 × 191,189.97
  4. Step 4: Simplify right side
    352,334.93x = 92,961,067,849.69
  5. Step 5: Solve for x
    x = 92,961,067,849.69/352,334.93
  6. Step 6: Final answer
    x = 263,842.90

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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.