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Finding the Fourth Proportional to 324,544.92, 486,858.33 and 111,255

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Solution

The fourth proportional to 324,544.92, 486,858.33 and 111,255 is: 166,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,544.92 : 486,858.33 = 111,255 : x
  2. Step 2: Convert to fraction form
    324,544.92/486,858.33 = 111,255/x
  3. Step 3: Cross multiply
    324,544.92x = 486,858.33 × 111,255
  4. Step 4: Simplify right side
    324,544.92x = 54,165,423,504.15
  5. Step 5: Solve for x
    x = 54,165,423,504.15/324,544.92
  6. Step 6: Final answer
    x = 166,896.54

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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.