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Finding the Fourth Proportional to 997,797.44, 1,494,306.72 and 727,200.32

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Solution

The fourth proportional to 997,797.44, 1,494,306.72 and 727,200.32 is: 1,089,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,797.44 : 1,494,306.72 = 727,200.32 : x
  2. Step 2: Convert to fraction form
    997,797.44/1,494,306.72 = 727,200.32/x
  3. Step 3: Cross multiply
    997,797.44x = 1,494,306.72 × 727,200.32
  4. Step 4: Simplify right side
    997,797.44x = 1,086,660,324,962.15
  5. Step 5: Solve for x
    x = 1,086,660,324,962.15/997,797.44
  6. Step 6: Final answer
    x = 1,089,059.04

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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.