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Finding the Fourth Proportional to 267,378.10, 401,067.15 and 237,310.90

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Solution

The fourth proportional to 267,378.10, 401,067.15 and 237,310.90 is: 355,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,378.10 : 401,067.15 = 237,310.90 : x
  2. Step 2: Convert to fraction form
    267,378.10/401,067.15 = 237,310.90/x
  3. Step 3: Cross multiply
    267,378.10x = 401,067.15 × 237,310.90
  4. Step 4: Simplify right side
    267,378.10x = 95,177,606,326.94
  5. Step 5: Solve for x
    x = 95,177,606,326.94/267,378.10
  6. Step 6: Final answer
    x = 355,966.35

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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.