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Finding the Fourth Proportional to 323,905.48, 485,858.22 and 166,033.24

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Solution

The fourth proportional to 323,905.48, 485,858.22 and 166,033.24 is: 249,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,905.48 : 485,858.22 = 166,033.24 : x
  2. Step 2: Convert to fraction form
    323,905.48/485,858.22 = 166,033.24/x
  3. Step 3: Cross multiply
    323,905.48x = 485,858.22 × 166,033.24
  4. Step 4: Simplify right side
    323,905.48x = 80,668,614,447.23
  5. Step 5: Solve for x
    x = 80,668,614,447.23/323,905.48
  6. Step 6: Final answer
    x = 249,049.86

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Similar ratio
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1.5x scale

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.