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Finding the Fourth Proportional to 562,940.80, 843,233.60 and 263,676.80

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Solution

The fourth proportional to 562,940.80, 843,233.60 and 263,676.80 is: 394,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,940.80 : 843,233.60 = 263,676.80 : x
  2. Step 2: Convert to fraction form
    562,940.80/843,233.60 = 263,676.80/x
  3. Step 3: Cross multiply
    562,940.80x = 843,233.60 × 263,676.80
  4. Step 4: Simplify right side
    562,940.80x = 222,341,137,300.48
  5. Step 5: Solve for x
    x = 222,341,137,300.48/562,940.80
  6. Step 6: Final answer
    x = 394,963.62

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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.