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Finding the Fourth Proportional to 3,577,277.76, 4,936,540.32 and 1,967,645.76

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Solution

The fourth proportional to 3,577,277.76, 4,936,540.32 and 1,967,645.76 is: 2,715,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577,277.76 : 4,936,540.32 = 1,967,645.76 : x
  2. Step 2: Convert to fraction form
    3,577,277.76/4,936,540.32 = 1,967,645.76/x
  3. Step 3: Cross multiply
    3,577,277.76x = 4,936,540.32 × 1,967,645.76
  4. Step 4: Simplify right side
    3,577,277.76x = 9,713,362,629,717.04
  5. Step 5: Solve for x
    x = 9,713,362,629,717.04/3,577,277.76
  6. Step 6: Final answer
    x = 2,715,294.50

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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.