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Finding the Fourth Proportional to 3,669,644.70, 5,504,467.05 and 3,338,970.30

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Solution

The fourth proportional to 3,669,644.70, 5,504,467.05 and 3,338,970.30 is: 5,008,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,644.70 : 5,504,467.05 = 3,338,970.30 : x
  2. Step 2: Convert to fraction form
    3,669,644.70/5,504,467.05 = 3,338,970.30/x
  3. Step 3: Cross multiply
    3,669,644.70x = 5,504,467.05 × 3,338,970.30
  4. Step 4: Simplify right side
    3,669,644.70x = 18,379,251,997,278.61
  5. Step 5: Solve for x
    x = 18,379,251,997,278.61/3,669,644.70
  6. Step 6: Final answer
    x = 5,008,455.45

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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.