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Finding the Fourth Proportional to 2,617,618.20, 3,926,427.30 and 2,617,618.20

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Solution

The fourth proportional to 2,617,618.20, 3,926,427.30 and 2,617,618.20 is: 3,926,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,618.20 : 3,926,427.30 = 2,617,618.20 : x
  2. Step 2: Convert to fraction form
    2,617,618.20/3,926,427.30 = 2,617,618.20/x
  3. Step 3: Cross multiply
    2,617,618.20x = 3,926,427.30 × 2,617,618.20
  4. Step 4: Simplify right side
    2,617,618.20x = 10,277,887,561,456.86
  5. Step 5: Solve for x
    x = 10,277,887,561,456.86/2,617,618.20
  6. Step 6: Final answer
    x = 3,926,427.30

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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.