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Finding the Fourth Proportional to 323,891.60, 486,056.10 and 181,736.60

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Solution

The fourth proportional to 323,891.60, 486,056.10 and 181,736.60 is: 272,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,891.60 : 486,056.10 = 181,736.60 : x
  2. Step 2: Convert to fraction form
    323,891.60/486,056.10 = 181,736.60/x
  3. Step 3: Cross multiply
    323,891.60x = 486,056.10 × 181,736.60
  4. Step 4: Simplify right side
    323,891.60x = 88,334,183,023.26
  5. Step 5: Solve for x
    x = 88,334,183,023.26/323,891.60
  6. Step 6: Final answer
    x = 272,727.61

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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.