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Finding the Fourth Proportional to 627,122.28, 940,745.70 and 200,550.93

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Solution

The fourth proportional to 627,122.28, 940,745.70 and 200,550.93 is: 300,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,122.28 : 940,745.70 = 200,550.93 : x
  2. Step 2: Convert to fraction form
    627,122.28/940,745.70 = 200,550.93/x
  3. Step 3: Cross multiply
    627,122.28x = 940,745.70 × 200,550.93
  4. Step 4: Simplify right side
    627,122.28x = 188,667,425,028.50
  5. Step 5: Solve for x
    x = 188,667,425,028.50/627,122.28
  6. Step 6: Final answer
    x = 300,846.31

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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.