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Finding the Fourth Proportional to 551,704.10, 827,556.15 and 196,729.70

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Solution

The fourth proportional to 551,704.10, 827,556.15 and 196,729.70 is: 295,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,704.10 : 827,556.15 = 196,729.70 : x
  2. Step 2: Convert to fraction form
    551,704.10/827,556.15 = 196,729.70/x
  3. Step 3: Cross multiply
    551,704.10x = 827,556.15 × 196,729.70
  4. Step 4: Simplify right side
    551,704.10x = 162,804,873,122.66
  5. Step 5: Solve for x
    x = 162,804,873,122.66/551,704.10
  6. Step 6: Final answer
    x = 295,094.55

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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.