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Finding the Fourth Proportional to 324,097.80, 485,733.60 and 181,942.80

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Solution

The fourth proportional to 324,097.80, 485,733.60 and 181,942.80 is: 272,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,097.80 : 485,733.60 = 181,942.80 : x
  2. Step 2: Convert to fraction form
    324,097.80/485,733.60 = 181,942.80/x
  3. Step 3: Cross multiply
    324,097.80x = 485,733.60 × 181,942.80
  4. Step 4: Simplify right side
    324,097.80x = 88,375,731,238.08
  5. Step 5: Solve for x
    x = 88,375,731,238.08/324,097.80
  6. Step 6: Final answer
    x = 272,682.29

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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.