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Finding the Fourth Proportional to 323,801.27, 485,407.87 and 113,324.39

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Solution

The fourth proportional to 323,801.27, 485,407.87 and 113,324.39 is: 169,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801.27 : 485,407.87 = 113,324.39 : x
  2. Step 2: Convert to fraction form
    323,801.27/485,407.87 = 113,324.39/x
  3. Step 3: Cross multiply
    323,801.27x = 485,407.87 × 113,324.39
  4. Step 4: Simplify right side
    323,801.27x = 55,008,548,058.60
  5. Step 5: Solve for x
    x = 55,008,548,058.60/323,801.27
  6. Step 6: Final answer
    x = 169,883.67

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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.