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Finding the Fourth Proportional to 503,882.79, 755,819.47 and 204,292.14

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Solution

The fourth proportional to 503,882.79, 755,819.47 and 204,292.14 is: 306,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,882.79 : 755,819.47 = 204,292.14 : x
  2. Step 2: Convert to fraction form
    503,882.79/755,819.47 = 204,292.14/x
  3. Step 3: Cross multiply
    503,882.79x = 755,819.47 × 204,292.14
  4. Step 4: Simplify right side
    503,882.79x = 154,407,976,979.97
  5. Step 5: Solve for x
    x = 154,407,976,979.97/503,882.79
  6. Step 6: Final answer
    x = 306,436.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.