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Finding the Fourth Proportional to 324,515.33, 486,773.33 and 84,629.06

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Solution

The fourth proportional to 324,515.33, 486,773.33 and 84,629.06 is: 126,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,515.33 : 486,773.33 = 84,629.06 : x
  2. Step 2: Convert to fraction form
    324,515.33/486,773.33 = 84,629.06/x
  3. Step 3: Cross multiply
    324,515.33x = 486,773.33 × 84,629.06
  4. Step 4: Simplify right side
    324,515.33x = 41,195,166,493.96
  5. Step 5: Solve for x
    x = 41,195,166,493.96/324,515.33
  6. Step 6: Final answer
    x = 126,943.67

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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.