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Finding the Fourth Proportional to 737,035.20, 1,105,552.80 and 263,757.60

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Solution

The fourth proportional to 737,035.20, 1,105,552.80 and 263,757.60 is: 395,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,035.20 : 1,105,552.80 = 263,757.60 : x
  2. Step 2: Convert to fraction form
    737,035.20/1,105,552.80 = 263,757.60/x
  3. Step 3: Cross multiply
    737,035.20x = 1,105,552.80 × 263,757.60
  4. Step 4: Simplify right side
    737,035.20x = 291,597,953,201.28
  5. Step 5: Solve for x
    x = 291,597,953,201.28/737,035.20
  6. Step 6: Final answer
    x = 395,636.40

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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.