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Finding the Fourth Proportional to 324,802.60, 486,815.10 and 166,949.80

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Solution

The fourth proportional to 324,802.60, 486,815.10 and 166,949.80 is: 250,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,802.60 : 486,815.10 = 166,949.80 : x
  2. Step 2: Convert to fraction form
    324,802.60/486,815.10 = 166,949.80/x
  3. Step 3: Cross multiply
    324,802.60x = 486,815.10 × 166,949.80
  4. Step 4: Simplify right side
    324,802.60x = 81,273,683,581.98
  5. Step 5: Solve for x
    x = 81,273,683,581.98/324,802.60
  6. Step 6: Final answer
    x = 250,224.86

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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.