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Finding the Fourth Proportional to 323,901.26, 485,999.52 and 166,240.44

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Solution

The fourth proportional to 323,901.26, 485,999.52 and 166,240.44 is: 249,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,901.26 : 485,999.52 = 166,240.44 : x
  2. Step 2: Convert to fraction form
    323,901.26/485,999.52 = 166,240.44/x
  3. Step 3: Cross multiply
    323,901.26x = 485,999.52 × 166,240.44
  4. Step 4: Simplify right side
    323,901.26x = 80,792,774,044.59
  5. Step 5: Solve for x
    x = 80,792,774,044.59/323,901.26
  6. Step 6: Final answer
    x = 249,436.43

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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.