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Finding the Fourth Proportional to 276,508,894.84, 381,593,867.34 and 159,034,257.88

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Solution

The fourth proportional to 276,508,894.84, 381,593,867.34 and 159,034,257.88 is: 219,473,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,508,894.84 : 381,593,867.34 = 159,034,257.88 : x
  2. Step 2: Convert to fraction form
    276,508,894.84/381,593,867.34 = 159,034,257.88/x
  3. Step 3: Cross multiply
    276,508,894.84x = 381,593,867.34 × 159,034,257.88
  4. Step 4: Simplify right side
    276,508,894.84x = 60,686,497,503,976,064
  5. Step 5: Solve for x
    x = 60,686,497,503,976,064/276,508,894.84
  6. Step 6: Final answer
    x = 219,473,943.29

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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.