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Finding the Fourth Proportional to 3,738,793.66, 5,608,190.50 and 898,905.92

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Solution

The fourth proportional to 3,738,793.66, 5,608,190.50 and 898,905.92 is: 1,348,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,793.66 : 5,608,190.50 = 898,905.92 : x
  2. Step 2: Convert to fraction form
    3,738,793.66/5,608,190.50 = 898,905.92/x
  3. Step 3: Cross multiply
    3,738,793.66x = 5,608,190.50 × 898,905.92
  4. Step 4: Simplify right side
    3,738,793.66x = 5,041,235,642,195.61
  5. Step 5: Solve for x
    x = 5,041,235,642,195.61/3,738,793.66
  6. Step 6: Final answer
    x = 1,348,358.88

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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.