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Finding the Fourth Proportional to 307,794.56, 461,669.96 and 83,167.78

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Solution

The fourth proportional to 307,794.56, 461,669.96 and 83,167.78 is: 124,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,794.56 : 461,669.96 = 83,167.78 : x
  2. Step 2: Convert to fraction form
    307,794.56/461,669.96 = 83,167.78/x
  3. Step 3: Cross multiply
    307,794.56x = 461,669.96 × 83,167.78
  4. Step 4: Simplify right side
    307,794.56x = 38,396,065,665.89
  5. Step 5: Solve for x
    x = 38,396,065,665.89/307,794.56
  6. Step 6: Final answer
    x = 124,745.76

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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.