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Finding the Fourth Proportional to 437,067.10, 613,138.10 and 437,067.10

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Solution

The fourth proportional to 437,067.10, 613,138.10 and 437,067.10 is: 613,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,067.10 : 613,138.10 = 437,067.10 : x
  2. Step 2: Convert to fraction form
    437,067.10/613,138.10 = 437,067.10/x
  3. Step 3: Cross multiply
    437,067.10x = 613,138.10 × 437,067.10
  4. Step 4: Simplify right side
    437,067.10x = 267,982,491,266.51
  5. Step 5: Solve for x
    x = 267,982,491,266.51/437,067.10
  6. Step 6: Final answer
    x = 613,138.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.