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Finding the Fourth Proportional to 267,344.40, 400,579.08 and 161,843.60

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Solution

The fourth proportional to 267,344.40, 400,579.08 and 161,843.60 is: 242,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,344.40 : 400,579.08 = 161,843.60 : x
  2. Step 2: Convert to fraction form
    267,344.40/400,579.08 = 161,843.60/x
  3. Step 3: Cross multiply
    267,344.40x = 400,579.08 × 161,843.60
  4. Step 4: Simplify right side
    267,344.40x = 64,831,160,391.89
  5. Step 5: Solve for x
    x = 64,831,160,391.89/267,344.40
  6. Step 6: Final answer
    x = 242,500.54

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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.