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Finding the Fourth Proportional to 3,395,900, 5,093,849.92 and 871,555.20

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Solution

The fourth proportional to 3,395,900, 5,093,849.92 and 871,555.20 is: 1,307,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395,900 : 5,093,849.92 = 871,555.20 : x
  2. Step 2: Convert to fraction form
    3,395,900/5,093,849.92 = 871,555.20/x
  3. Step 3: Cross multiply
    3,395,900x = 5,093,849.92 × 871,555.20
  4. Step 4: Simplify right side
    3,395,900x = 4,439,571,385,795.58
  5. Step 5: Solve for x
    x = 4,439,571,385,795.58/3,395,900
  6. Step 6: Final answer
    x = 1,307,332.78

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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.