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Finding the Fourth Proportional to 322,481.64, 445,014.86 and 184,656.09

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Solution

The fourth proportional to 322,481.64, 445,014.86 and 184,656.09 is: 254,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,481.64 : 445,014.86 = 184,656.09 : x
  2. Step 2: Convert to fraction form
    322,481.64/445,014.86 = 184,656.09/x
  3. Step 3: Cross multiply
    322,481.64x = 445,014.86 × 184,656.09
  4. Step 4: Simplify right side
    322,481.64x = 82,174,704,039.50
  5. Step 5: Solve for x
    x = 82,174,704,039.50/322,481.64
  6. Step 6: Final answer
    x = 254,819.79

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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.