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Finding the Fourth Proportional to 6,238,616.94, 8,608,983.75 and 3,484,757.43

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Solution

The fourth proportional to 6,238,616.94, 8,608,983.75 and 3,484,757.43 is: 4,808,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238,616.94 : 8,608,983.75 = 3,484,757.43 : x
  2. Step 2: Convert to fraction form
    6,238,616.94/8,608,983.75 = 3,484,757.43/x
  3. Step 3: Cross multiply
    6,238,616.94x = 8,608,983.75 × 3,484,757.43
  4. Step 4: Simplify right side
    6,238,616.94x = 30,000,220,087,561.77
  5. Step 5: Solve for x
    x = 30,000,220,087,561.77/6,238,616.94
  6. Step 6: Final answer
    x = 4,808,793.42

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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.