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Finding the Fourth Proportional to 267,082.52, 400,120.36 and 207,629.33

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Solution

The fourth proportional to 267,082.52, 400,120.36 and 207,629.33 is: 311,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,082.52 : 400,120.36 = 207,629.33 : x
  2. Step 2: Convert to fraction form
    267,082.52/400,120.36 = 207,629.33/x
  3. Step 3: Cross multiply
    267,082.52x = 400,120.36 × 207,629.33
  4. Step 4: Simplify right side
    267,082.52x = 83,076,719,746.48
  5. Step 5: Solve for x
    x = 83,076,719,746.48/267,082.52
  6. Step 6: Final answer
    x = 311,052.63

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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.