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Finding the Fourth Proportional to 269,891.92, 372,549 and 219,503.44

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Solution

The fourth proportional to 269,891.92, 372,549 and 219,503.44 is: 302,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,891.92 : 372,549 = 219,503.44 : x
  2. Step 2: Convert to fraction form
    269,891.92/372,549 = 219,503.44/x
  3. Step 3: Cross multiply
    269,891.92x = 372,549 × 219,503.44
  4. Step 4: Simplify right side
    269,891.92x = 81,775,787,068.56
  5. Step 5: Solve for x
    x = 81,775,787,068.56/269,891.92
  6. Step 6: Final answer
    x = 302,994.57

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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.