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Finding the Fourth Proportional to 323,911.70, 485,867.55 and 182,194.10

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Solution

The fourth proportional to 323,911.70, 485,867.55 and 182,194.10 is: 273,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,911.70 : 485,867.55 = 182,194.10 : x
  2. Step 2: Convert to fraction form
    323,911.70/485,867.55 = 182,194.10/x
  3. Step 3: Cross multiply
    323,911.70x = 485,867.55 × 182,194.10
  4. Step 4: Simplify right side
    323,911.70x = 88,522,200,991.46
  5. Step 5: Solve for x
    x = 88,522,200,991.46/323,911.70
  6. Step 6: Final answer
    x = 273,291.15

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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.