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Finding the Fourth Proportional to 3,770,629.57, 5,655,867.81 and 930,766.33

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Solution

The fourth proportional to 3,770,629.57, 5,655,867.81 and 930,766.33 is: 1,396,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770,629.57 : 5,655,867.81 = 930,766.33 : x
  2. Step 2: Convert to fraction form
    3,770,629.57/5,655,867.81 = 930,766.33/x
  3. Step 3: Cross multiply
    3,770,629.57x = 5,655,867.81 × 930,766.33
  4. Step 4: Simplify right side
    3,770,629.57x = 5,264,291,324,478.84
  5. Step 5: Solve for x
    x = 5,264,291,324,478.84/3,770,629.57
  6. Step 6: Final answer
    x = 1,396,130.60

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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.