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Finding the Fourth Proportional to 551,804.91, 827,772.18 and 196,869.39

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Solution

The fourth proportional to 551,804.91, 827,772.18 and 196,869.39 is: 295,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,804.91 : 827,772.18 = 196,869.39 : x
  2. Step 2: Convert to fraction form
    551,804.91/827,772.18 = 196,869.39/x
  3. Step 3: Cross multiply
    551,804.91x = 827,772.18 × 196,869.39
  4. Step 4: Simplify right side
    551,804.91x = 162,963,004,135.57
  5. Step 5: Solve for x
    x = 162,963,004,135.57/551,804.91
  6. Step 6: Final answer
    x = 295,327.21

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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.