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Finding the Fourth Proportional to 272,169,248.40, 408,253,872.60 and 244,109,163.60

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Solution

The fourth proportional to 272,169,248.40, 408,253,872.60 and 244,109,163.60 is: 366,163,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,169,248.40 : 408,253,872.60 = 244,109,163.60 : x
  2. Step 2: Convert to fraction form
    272,169,248.40/408,253,872.60 = 244,109,163.60/x
  3. Step 3: Cross multiply
    272,169,248.40x = 408,253,872.60 × 244,109,163.60
  4. Step 4: Simplify right side
    272,169,248.40x = 99,658,511,376,846,960
  5. Step 5: Solve for x
    x = 99,658,511,376,846,960/272,169,248.40
  6. Step 6: Final answer
    x = 366,163,745.40

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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.