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Finding the Fourth Proportional to 323,729.92, 446,779.94 and 187,805.44

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Solution

The fourth proportional to 323,729.92, 446,779.94 and 187,805.44 is: 259,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,729.92 : 446,779.94 = 187,805.44 : x
  2. Step 2: Convert to fraction form
    323,729.92/446,779.94 = 187,805.44/x
  3. Step 3: Cross multiply
    323,729.92x = 446,779.94 × 187,805.44
  4. Step 4: Simplify right side
    323,729.92x = 83,907,703,214.87
  5. Step 5: Solve for x
    x = 83,907,703,214.87/323,729.92
  6. Step 6: Final answer
    x = 259,190.45

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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.