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Finding the Fourth Proportional to 262,581.80, 394,164.30 and 162,854.60

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Solution

The fourth proportional to 262,581.80, 394,164.30 and 162,854.60 is: 244,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,581.80 : 394,164.30 = 162,854.60 : x
  2. Step 2: Convert to fraction form
    262,581.80/394,164.30 = 162,854.60/x
  3. Step 3: Cross multiply
    262,581.80x = 394,164.30 × 162,854.60
  4. Step 4: Simplify right side
    262,581.80x = 64,191,469,410.78
  5. Step 5: Solve for x
    x = 64,191,469,410.78/262,581.80
  6. Step 6: Final answer
    x = 244,462.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.