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Finding the Fourth Proportional to 375,960.58, 518,858.40 and 206,227.50

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Solution

The fourth proportional to 375,960.58, 518,858.40 and 206,227.50 is: 284,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,960.58 : 518,858.40 = 206,227.50 : x
  2. Step 2: Convert to fraction form
    375,960.58/518,858.40 = 206,227.50/x
  3. Step 3: Cross multiply
    375,960.58x = 518,858.40 × 206,227.50
  4. Step 4: Simplify right side
    375,960.58x = 107,002,870,686
  5. Step 5: Solve for x
    x = 107,002,870,686/375,960.58
  6. Step 6: Final answer
    x = 284,611.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.