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Finding the Fourth Proportional to 375,662.94, 518,251.94 and 248,515.62

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Solution

The fourth proportional to 375,662.94, 518,251.94 and 248,515.62 is: 342,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,662.94 : 518,251.94 = 248,515.62 : x
  2. Step 2: Convert to fraction form
    375,662.94/518,251.94 = 248,515.62/x
  3. Step 3: Cross multiply
    375,662.94x = 518,251.94 × 248,515.62
  4. Step 4: Simplify right side
    375,662.94x = 128,793,702,185.30
  5. Step 5: Solve for x
    x = 128,793,702,185.30/375,662.94
  6. Step 6: Final answer
    x = 342,843.78

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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.