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Finding the Fourth Proportional to 323,898.27, 485,995.02 and 166,237.44

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Solution

The fourth proportional to 323,898.27, 485,995.02 and 166,237.44 is: 249,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,898.27 : 485,995.02 = 166,237.44 : x
  2. Step 2: Convert to fraction form
    323,898.27/485,995.02 = 166,237.44/x
  3. Step 3: Cross multiply
    323,898.27x = 485,995.02 × 166,237.44
  4. Step 4: Simplify right side
    323,898.27x = 80,790,567,977.55
  5. Step 5: Solve for x
    x = 80,790,567,977.55/323,898.27
  6. Step 6: Final answer
    x = 249,431.92

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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.