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Finding the Fourth Proportional to 262,876.68, 394,331.46 and 178,600.68

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Solution

The fourth proportional to 262,876.68, 394,331.46 and 178,600.68 is: 267,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,876.68 : 394,331.46 = 178,600.68 : x
  2. Step 2: Convert to fraction form
    262,876.68/394,331.46 = 178,600.68/x
  3. Step 3: Cross multiply
    262,876.68x = 394,331.46 × 178,600.68
  4. Step 4: Simplify right side
    262,876.68x = 70,427,866,901.39
  5. Step 5: Solve for x
    x = 70,427,866,901.39/262,876.68
  6. Step 6: Final answer
    x = 267,912.19

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1.5x scale

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.