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Finding the Fourth Proportional to 3,862,664.40, 5,794,774.20 and 1,337,797.20

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Solution

The fourth proportional to 3,862,664.40, 5,794,774.20 and 1,337,797.20 is: 2,006,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,664.40 : 5,794,774.20 = 1,337,797.20 : x
  2. Step 2: Convert to fraction form
    3,862,664.40/5,794,774.20 = 1,337,797.20/x
  3. Step 3: Cross multiply
    3,862,664.40x = 5,794,774.20 × 1,337,797.20
  4. Step 4: Simplify right side
    3,862,664.40x = 7,752,232,699,392.24
  5. Step 5: Solve for x
    x = 7,752,232,699,392.24/3,862,664.40
  6. Step 6: Final answer
    x = 2,006,965.11

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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.