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Finding the Fourth Proportional to 269,804,406, 372,380,520.60 and 153,910,902

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Solution

The fourth proportional to 269,804,406, 372,380,520.60 and 153,910,902 is: 212,425,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,804,406 : 372,380,520.60 = 153,910,902 : x
  2. Step 2: Convert to fraction form
    269,804,406/372,380,520.60 = 153,910,902/x
  3. Step 3: Cross multiply
    269,804,406x = 372,380,520.60 × 153,910,902
  4. Step 4: Simplify right side
    269,804,406x = 57,313,421,812,775,584
  5. Step 5: Solve for x
    x = 57,313,421,812,775,584/269,804,406
  6. Step 6: Final answer
    x = 212,425,818.62

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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.