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Finding the Fourth Proportional to 329,895.40, 494,843.10 and 251,163.40

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Solution

The fourth proportional to 329,895.40, 494,843.10 and 251,163.40 is: 376,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,895.40 : 494,843.10 = 251,163.40 : x
  2. Step 2: Convert to fraction form
    329,895.40/494,843.10 = 251,163.40/x
  3. Step 3: Cross multiply
    329,895.40x = 494,843.10 × 251,163.40
  4. Step 4: Simplify right side
    329,895.40x = 124,286,475,462.54
  5. Step 5: Solve for x
    x = 124,286,475,462.54/329,895.40
  6. Step 6: Final answer
    x = 376,745.10

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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.