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Finding the Fourth Proportional to 600,086.05, 900,218.59 and 220,977.65

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Solution

The fourth proportional to 600,086.05, 900,218.59 and 220,977.65 is: 331,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,086.05 : 900,218.59 = 220,977.65 : x
  2. Step 2: Convert to fraction form
    600,086.05/900,218.59 = 220,977.65/x
  3. Step 3: Cross multiply
    600,086.05x = 900,218.59 × 220,977.65
  4. Step 4: Simplify right side
    600,086.05x = 198,928,190,202.62
  5. Step 5: Solve for x
    x = 198,928,190,202.62/600,086.05
  6. Step 6: Final answer
    x = 331,499.44

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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.