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Finding the Fourth Proportional to 551,906.20, 827,203.20 and 495,481.60

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Solution

The fourth proportional to 551,906.20, 827,203.20 and 495,481.60 is: 742,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,906.20 : 827,203.20 = 495,481.60 : x
  2. Step 2: Convert to fraction form
    551,906.20/827,203.20 = 495,481.60/x
  3. Step 3: Cross multiply
    551,906.20x = 827,203.20 × 495,481.60
  4. Step 4: Simplify right side
    551,906.20x = 409,863,965,061.12
  5. Step 5: Solve for x
    x = 409,863,965,061.12/551,906.20
  6. Step 6: Final answer
    x = 742,633.38

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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.