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Finding the Fourth Proportional to 2,632,992, 3,949,500.96 and 638,448

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Solution

The fourth proportional to 2,632,992, 3,949,500.96 and 638,448 is: 957,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,992 : 3,949,500.96 = 638,448 : x
  2. Step 2: Convert to fraction form
    2,632,992/3,949,500.96 = 638,448/x
  3. Step 3: Cross multiply
    2,632,992x = 3,949,500.96 × 638,448
  4. Step 4: Simplify right side
    2,632,992x = 2,521,550,988,910.08
  5. Step 5: Solve for x
    x = 2,521,550,988,910.08/2,632,992
  6. Step 6: Final answer
    x = 957,675.14

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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.