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Finding the Fourth Proportional to 323,321.86, 446,388.45 and 238,290.82

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Solution

The fourth proportional to 323,321.86, 446,388.45 and 238,290.82 is: 328,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,321.86 : 446,388.45 = 238,290.82 : x
  2. Step 2: Convert to fraction form
    323,321.86/446,388.45 = 238,290.82/x
  3. Step 3: Cross multiply
    323,321.86x = 446,388.45 × 238,290.82
  4. Step 4: Simplify right side
    323,321.86x = 106,370,269,789.03
  5. Step 5: Solve for x
    x = 106,370,269,789.03/323,321.86
  6. Step 6: Final answer
    x = 328,991.89

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