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Finding the Fourth Proportional to 267,579.23, 401,435.78 and 188,847.23

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Solution

The fourth proportional to 267,579.23, 401,435.78 and 188,847.23 is: 283,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,579.23 : 401,435.78 = 188,847.23 : x
  2. Step 2: Convert to fraction form
    267,579.23/401,435.78 = 188,847.23/x
  3. Step 3: Cross multiply
    267,579.23x = 401,435.78 × 188,847.23
  4. Step 4: Simplify right side
    267,579.23x = 75,810,035,548.01
  5. Step 5: Solve for x
    x = 75,810,035,548.01/267,579.23
  6. Step 6: Final answer
    x = 283,318.09

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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.