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Finding the Fourth Proportional to 2,610,456, 3,915,684 and 927,625.92

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Solution

The fourth proportional to 2,610,456, 3,915,684 and 927,625.92 is: 1,391,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610,456 : 3,915,684 = 927,625.92 : x
  2. Step 2: Convert to fraction form
    2,610,456/3,915,684 = 927,625.92/x
  3. Step 3: Cross multiply
    2,610,456x = 3,915,684 × 927,625.92
  4. Step 4: Simplify right side
    2,610,456x = 3,632,289,972,929.28
  5. Step 5: Solve for x
    x = 3,632,289,972,929.28/2,610,456
  6. Step 6: Final answer
    x = 1,391,438.88

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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.