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Finding the Fourth Proportional to 323,772.33, 485,699.28 and 110,580.60

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Solution

The fourth proportional to 323,772.33, 485,699.28 and 110,580.60 is: 165,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,772.33 : 485,699.28 = 110,580.60 : x
  2. Step 2: Convert to fraction form
    323,772.33/485,699.28 = 110,580.60/x
  3. Step 3: Cross multiply
    323,772.33x = 485,699.28 × 110,580.60
  4. Step 4: Simplify right side
    323,772.33x = 53,708,917,801.97
  5. Step 5: Solve for x
    x = 53,708,917,801.97/323,772.33
  6. Step 6: Final answer
    x = 165,884.83

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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.