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Finding the Fourth Proportional to 200,594.82, 300,912.21 and 74,268.84

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Solution

The fourth proportional to 200,594.82, 300,912.21 and 74,268.84 is: 111,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,594.82 : 300,912.21 = 74,268.84 : x
  2. Step 2: Convert to fraction form
    200,594.82/300,912.21 = 74,268.84/x
  3. Step 3: Cross multiply
    200,594.82x = 300,912.21 × 74,268.84
  4. Step 4: Simplify right side
    200,594.82x = 22,348,400,778.54
  5. Step 5: Solve for x
    x = 22,348,400,778.54/200,594.82
  6. Step 6: Final answer
    x = 111,410.66

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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.