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Finding the Fourth Proportional to 984,725.38, 1,477,336.92 and 274,753

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Solution

The fourth proportional to 984,725.38, 1,477,336.92 and 274,753 is: 412,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,725.38 : 1,477,336.92 = 274,753 : x
  2. Step 2: Convert to fraction form
    984,725.38/1,477,336.92 = 274,753/x
  3. Step 3: Cross multiply
    984,725.38x = 1,477,336.92 × 274,753
  4. Step 4: Simplify right side
    984,725.38x = 405,902,750,780.76
  5. Step 5: Solve for x
    x = 405,902,750,780.76/984,725.38
  6. Step 6: Final answer
    x = 412,198.93

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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.