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Finding the Fourth Proportional to 551,363.80, 827,160.90 and 177,424.60

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Solution

The fourth proportional to 551,363.80, 827,160.90 and 177,424.60 is: 266,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,363.80 : 827,160.90 = 177,424.60 : x
  2. Step 2: Convert to fraction form
    551,363.80/827,160.90 = 177,424.60/x
  3. Step 3: Cross multiply
    551,363.80x = 827,160.90 × 177,424.60
  4. Step 4: Simplify right side
    551,363.80x = 146,758,691,818.14
  5. Step 5: Solve for x
    x = 146,758,691,818.14/551,363.80
  6. Step 6: Final answer
    x = 266,173.97

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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.