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Finding the Fourth Proportional to 326,975.60, 490,204.20 and 179,231.60

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Solution

The fourth proportional to 326,975.60, 490,204.20 and 179,231.60 is: 268,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,975.60 : 490,204.20 = 179,231.60 : x
  2. Step 2: Convert to fraction form
    326,975.60/490,204.20 = 179,231.60/x
  3. Step 3: Cross multiply
    326,975.60x = 490,204.20 × 179,231.60
  4. Step 4: Simplify right side
    326,975.60x = 87,860,083,092.72
  5. Step 5: Solve for x
    x = 87,860,083,092.72/326,975.60
  6. Step 6: Final answer
    x = 268,705.32

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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.