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Finding the Fourth Proportional to 323,212.38, 484,519.23 and 165,092.10

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Solution

The fourth proportional to 323,212.38, 484,519.23 and 165,092.10 is: 247,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,212.38 : 484,519.23 = 165,092.10 : x
  2. Step 2: Convert to fraction form
    323,212.38/484,519.23 = 165,092.10/x
  3. Step 3: Cross multiply
    323,212.38x = 484,519.23 × 165,092.10
  4. Step 4: Simplify right side
    323,212.38x = 79,990,297,171.08
  5. Step 5: Solve for x
    x = 79,990,297,171.08/323,212.38
  6. Step 6: Final answer
    x = 247,485.25

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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.