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Finding the Fourth Proportional to 737,789.60, 1,105,809.60 and 662,556.80

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Solution

The fourth proportional to 737,789.60, 1,105,809.60 and 662,556.80 is: 993,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,789.60 : 1,105,809.60 = 662,556.80 : x
  2. Step 2: Convert to fraction form
    737,789.60/1,105,809.60 = 662,556.80/x
  3. Step 3: Cross multiply
    737,789.60x = 1,105,809.60 × 662,556.80
  4. Step 4: Simplify right side
    737,789.60x = 732,661,669,985.28
  5. Step 5: Solve for x
    x = 732,661,669,985.28/737,789.60
  6. Step 6: Final answer
    x = 993,049.60

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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.