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Finding the Fourth Proportional to 3,950,705.94, 5,926,015.71 and 958,889.94

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Solution

The fourth proportional to 3,950,705.94, 5,926,015.71 and 958,889.94 is: 1,438,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950,705.94 : 5,926,015.71 = 958,889.94 : x
  2. Step 2: Convert to fraction form
    3,950,705.94/5,926,015.71 = 958,889.94/x
  3. Step 3: Cross multiply
    3,950,705.94x = 5,926,015.71 × 958,889.94
  4. Step 4: Simplify right side
    3,950,705.94x = 5,682,396,848,600.96
  5. Step 5: Solve for x
    x = 5,682,396,848,600.96/3,950,705.94
  6. Step 6: Final answer
    x = 1,438,324.42

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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.