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Finding the Fourth Proportional to 551,336.10, 827,101.35 and 196,556.10

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Solution

The fourth proportional to 551,336.10, 827,101.35 and 196,556.10 is: 294,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,336.10 : 827,101.35 = 196,556.10 : x
  2. Step 2: Convert to fraction form
    551,336.10/827,101.35 = 196,556.10/x
  3. Step 3: Cross multiply
    551,336.10x = 827,101.35 × 196,556.10
  4. Step 4: Simplify right side
    551,336.10x = 162,571,815,660.74
  5. Step 5: Solve for x
    x = 162,571,815,660.74/551,336.10
  6. Step 6: Final answer
    x = 294,868.80

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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.