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Finding the Fourth Proportional to 3,320,998.20, 4,973,624.10 and 3,320,998.20

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Solution

The fourth proportional to 3,320,998.20, 4,973,624.10 and 3,320,998.20 is: 4,973,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,998.20 : 4,973,624.10 = 3,320,998.20 : x
  2. Step 2: Convert to fraction form
    3,320,998.20/4,973,624.10 = 3,320,998.20/x
  3. Step 3: Cross multiply
    3,320,998.20x = 4,973,624.10 × 3,320,998.20
  4. Step 4: Simplify right side
    3,320,998.20x = 16,517,396,683,576.62
  5. Step 5: Solve for x
    x = 16,517,396,683,576.62/3,320,998.20
  6. Step 6: Final answer
    x = 4,973,624.10

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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.