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Finding the Fourth Proportional to 562,105.20, 843,546.60 and 404,446.80

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Solution

The fourth proportional to 562,105.20, 843,546.60 and 404,446.80 is: 606,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,105.20 : 843,546.60 = 404,446.80 : x
  2. Step 2: Convert to fraction form
    562,105.20/843,546.60 = 404,446.80/x
  3. Step 3: Cross multiply
    562,105.20x = 843,546.60 × 404,446.80
  4. Step 4: Simplify right side
    562,105.20x = 341,169,723,020.88
  5. Step 5: Solve for x
    x = 341,169,723,020.88/562,105.20
  6. Step 6: Final answer
    x = 606,949.95

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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.