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Finding the Fourth Proportional to 352,165.88, 485,986.04 and 191,020.52

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Solution

The fourth proportional to 352,165.88, 485,986.04 and 191,020.52 is: 263,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,165.88 : 485,986.04 = 191,020.52 : x
  2. Step 2: Convert to fraction form
    352,165.88/485,986.04 = 191,020.52/x
  3. Step 3: Cross multiply
    352,165.88x = 485,986.04 × 191,020.52
  4. Step 4: Simplify right side
    352,165.88x = 92,833,306,073.54
  5. Step 5: Solve for x
    x = 92,833,306,073.54/352,165.88
  6. Step 6: Final answer
    x = 263,606.76

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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.