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Finding the Fourth Proportional to 348,891.51, 481,481.91 and 195,956.64

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Solution

The fourth proportional to 348,891.51, 481,481.91 and 195,956.64 is: 270,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,891.51 : 481,481.91 = 195,956.64 : x
  2. Step 2: Convert to fraction form
    348,891.51/481,481.91 = 195,956.64/x
  3. Step 3: Cross multiply
    348,891.51x = 481,481.91 × 195,956.64
  4. Step 4: Simplify right side
    348,891.51x = 94,349,577,304.38
  5. Step 5: Solve for x
    x = 94,349,577,304.38/348,891.51
  6. Step 6: Final answer
    x = 270,426.69

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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.