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Finding the Fourth Proportional to 323,171.22, 485,186.26 and 276,088.88

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Solution

The fourth proportional to 323,171.22, 485,186.26 and 276,088.88 is: 414,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,171.22 : 485,186.26 = 276,088.88 : x
  2. Step 2: Convert to fraction form
    323,171.22/485,186.26 = 276,088.88/x
  3. Step 3: Cross multiply
    323,171.22x = 485,186.26 × 276,088.88
  4. Step 4: Simplify right side
    323,171.22x = 133,954,531,114.79
  5. Step 5: Solve for x
    x = 133,954,531,114.79/323,171.22
  6. Step 6: Final answer
    x = 414,500.19

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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.