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Finding the Fourth Proportional to 483,974.60, 726,177.90 and 168,657.80

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Solution

The fourth proportional to 483,974.60, 726,177.90 and 168,657.80 is: 253,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,974.60 : 726,177.90 = 168,657.80 : x
  2. Step 2: Convert to fraction form
    483,974.60/726,177.90 = 168,657.80/x
  3. Step 3: Cross multiply
    483,974.60x = 726,177.90 × 168,657.80
  4. Step 4: Simplify right side
    483,974.60x = 122,475,567,022.62
  5. Step 5: Solve for x
    x = 122,475,567,022.62/483,974.60
  6. Step 6: Final answer
    x = 253,061.97

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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.