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Finding the Fourth Proportional to 2,494,795.21, 3,742,654.39 and 789,367.82

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Solution

The fourth proportional to 2,494,795.21, 3,742,654.39 and 789,367.82 is: 1,184,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494,795.21 : 3,742,654.39 = 789,367.82 : x
  2. Step 2: Convert to fraction form
    2,494,795.21/3,742,654.39 = 789,367.82/x
  3. Step 3: Cross multiply
    2,494,795.21x = 3,742,654.39 × 789,367.82
  4. Step 4: Simplify right side
    2,494,795.21x = 2,954,330,916,161.04
  5. Step 5: Solve for x
    x = 2,954,330,916,161.04/2,494,795.21
  6. Step 6: Final answer
    x = 1,184,197.77

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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.