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Finding the Fourth Proportional to 482,843.20, 723,976.80 and 295,988.80

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Solution

The fourth proportional to 482,843.20, 723,976.80 and 295,988.80 is: 443,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,843.20 : 723,976.80 = 295,988.80 : x
  2. Step 2: Convert to fraction form
    482,843.20/723,976.80 = 295,988.80/x
  3. Step 3: Cross multiply
    482,843.20x = 723,976.80 × 295,988.80
  4. Step 4: Simplify right side
    482,843.20x = 214,289,024,259.84
  5. Step 5: Solve for x
    x = 214,289,024,259.84/482,843.20
  6. Step 6: Final answer
    x = 443,806.65

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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.