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Finding the Fourth Proportional to 441,673.40, 662,520.94 and 161,190.60

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Solution

The fourth proportional to 441,673.40, 662,520.94 and 161,190.60 is: 241,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,673.40 : 662,520.94 = 161,190.60 : x
  2. Step 2: Convert to fraction form
    441,673.40/662,520.94 = 161,190.60/x
  3. Step 3: Cross multiply
    441,673.40x = 662,520.94 × 161,190.60
  4. Step 4: Simplify right side
    441,673.40x = 106,792,147,831.16
  5. Step 5: Solve for x
    x = 106,792,147,831.16/441,673.40
  6. Step 6: Final answer
    x = 241,789.86

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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.