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Finding the Fourth Proportional to 352,170.83, 485,992.30 and 191,023.56

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Solution

The fourth proportional to 352,170.83, 485,992.30 and 191,023.56 is: 263,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,170.83 : 485,992.30 = 191,023.56 : x
  2. Step 2: Convert to fraction form
    352,170.83/485,992.30 = 191,023.56/x
  3. Step 3: Cross multiply
    352,170.83x = 485,992.30 × 191,023.56
  4. Step 4: Simplify right side
    352,170.83x = 92,835,976,978.56
  5. Step 5: Solve for x
    x = 92,835,976,978.56/352,170.83
  6. Step 6: Final answer
    x = 263,610.64

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1.5x scale

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.