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Finding the Fourth Proportional to 532,940.80, 799,319.04 and 200,519.68

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Solution

The fourth proportional to 532,940.80, 799,319.04 and 200,519.68 is: 300,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,940.80 : 799,319.04 = 200,519.68 : x
  2. Step 2: Convert to fraction form
    532,940.80/799,319.04 = 200,519.68/x
  3. Step 3: Cross multiply
    532,940.80x = 799,319.04 × 200,519.68
  4. Step 4: Simplify right side
    532,940.80x = 160,279,198,118.71
  5. Step 5: Solve for x
    x = 160,279,198,118.71/532,940.80
  6. Step 6: Final answer
    x = 300,744.84

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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.