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Finding the Fourth Proportional to 323,213.44, 485,022.08 and 123,550.72

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Solution

The fourth proportional to 323,213.44, 485,022.08 and 123,550.72 is: 185,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,213.44 : 485,022.08 = 123,550.72 : x
  2. Step 2: Convert to fraction form
    323,213.44/485,022.08 = 123,550.72/x
  3. Step 3: Cross multiply
    323,213.44x = 485,022.08 × 123,550.72
  4. Step 4: Simplify right side
    323,213.44x = 59,924,827,199.90
  5. Step 5: Solve for x
    x = 59,924,827,199.90/323,213.44
  6. Step 6: Final answer
    x = 185,403.27

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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.