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Finding the Fourth Proportional to 569,896.33, 786,379.92 and 324,912.69

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Solution

The fourth proportional to 569,896.33, 786,379.92 and 324,912.69 is: 448,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,896.33 : 786,379.92 = 324,912.69 : x
  2. Step 2: Convert to fraction form
    569,896.33/786,379.92 = 324,912.69/x
  3. Step 3: Cross multiply
    569,896.33x = 786,379.92 × 324,912.69
  4. Step 4: Simplify right side
    569,896.33x = 255,504,815,169.19
  5. Step 5: Solve for x
    x = 255,504,815,169.19/569,896.33
  6. Step 6: Final answer
    x = 448,335.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.