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Finding the Fourth Proportional to 551,208.20, 826,617.90 and 196,233.80

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Solution

The fourth proportional to 551,208.20, 826,617.90 and 196,233.80 is: 294,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,208.20 : 826,617.90 = 196,233.80 : x
  2. Step 2: Convert to fraction form
    551,208.20/826,617.90 = 196,233.80/x
  3. Step 3: Cross multiply
    551,208.20x = 826,617.90 × 196,233.80
  4. Step 4: Simplify right side
    551,208.20x = 162,210,371,665.02
  5. Step 5: Solve for x
    x = 162,210,371,665.02/551,208.20
  6. Step 6: Final answer
    x = 294,281.49

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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.