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Finding the Fourth Proportional to 375,662.44, 518,251.26 and 248,515.12

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Solution

The fourth proportional to 375,662.44, 518,251.26 and 248,515.12 is: 342,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,662.44 : 518,251.26 = 248,515.12 : x
  2. Step 2: Convert to fraction form
    375,662.44/518,251.26 = 248,515.12/x
  3. Step 3: Cross multiply
    375,662.44x = 518,251.26 × 248,515.12
  4. Step 4: Simplify right side
    375,662.44x = 128,793,274,069.05
  5. Step 5: Solve for x
    x = 128,793,274,069.05/375,662.44
  6. Step 6: Final answer
    x = 342,843.10

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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.