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Finding the Fourth Proportional to 262,583.80, 394,167.30 and 162,856.60

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Solution

The fourth proportional to 262,583.80, 394,167.30 and 162,856.60 is: 244,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,583.80 : 394,167.30 = 162,856.60 : x
  2. Step 2: Convert to fraction form
    262,583.80/394,167.30 = 162,856.60/x
  3. Step 3: Cross multiply
    262,583.80x = 394,167.30 × 162,856.60
  4. Step 4: Simplify right side
    262,583.80x = 64,192,746,309.18
  5. Step 5: Solve for x
    x = 64,192,746,309.18/262,583.80
  6. Step 6: Final answer
    x = 244,465.75

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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.