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Finding the Fourth Proportional to 551,231.80, 826,847.70 and 177,292.60

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Solution

The fourth proportional to 551,231.80, 826,847.70 and 177,292.60 is: 265,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,231.80 : 826,847.70 = 177,292.60 : x
  2. Step 2: Convert to fraction form
    551,231.80/826,847.70 = 177,292.60/x
  3. Step 3: Cross multiply
    551,231.80x = 826,847.70 × 177,292.60
  4. Step 4: Simplify right side
    551,231.80x = 146,593,978,537.02
  5. Step 5: Solve for x
    x = 146,593,978,537.02/551,231.80
  6. Step 6: Final answer
    x = 265,938.90

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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.