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Finding the Fourth Proportional to 253,964.88, 350,400.60 and 200,082.65

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Solution

The fourth proportional to 253,964.88, 350,400.60 and 200,082.65 is: 276,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,964.88 : 350,400.60 = 200,082.65 : x
  2. Step 2: Convert to fraction form
    253,964.88/350,400.60 = 200,082.65/x
  3. Step 3: Cross multiply
    253,964.88x = 350,400.60 × 200,082.65
  4. Step 4: Simplify right side
    253,964.88x = 70,109,078,857.59
  5. Step 5: Solve for x
    x = 70,109,078,857.59/253,964.88
  6. Step 6: Final answer
    x = 276,058.17

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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.