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Finding the Fourth Proportional to 624,582.20, 937,310.70 and 269,850.80

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Solution

The fourth proportional to 624,582.20, 937,310.70 and 269,850.80 is: 404,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,582.20 : 937,310.70 = 269,850.80 : x
  2. Step 2: Convert to fraction form
    624,582.20/937,310.70 = 269,850.80/x
  3. Step 3: Cross multiply
    624,582.20x = 937,310.70 × 269,850.80
  4. Step 4: Simplify right side
    624,582.20x = 252,934,042,243.56
  5. Step 5: Solve for x
    x = 252,934,042,243.56/624,582.20
  6. Step 6: Final answer
    x = 404,965.18

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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.