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Finding the Fourth Proportional to 323,566.60, 485,272.14 and 165,713.80

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Solution

The fourth proportional to 323,566.60, 485,272.14 and 165,713.80 is: 248,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,566.60 : 485,272.14 = 165,713.80 : x
  2. Step 2: Convert to fraction form
    323,566.60/485,272.14 = 165,713.80/x
  3. Step 3: Cross multiply
    323,566.60x = 485,272.14 × 165,713.80
  4. Step 4: Simplify right side
    323,566.60x = 80,416,290,353.53
  5. Step 5: Solve for x
    x = 80,416,290,353.53/323,566.60
  6. Step 6: Final answer
    x = 248,530.88

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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.