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Finding the Fourth Proportional to 2,491,650.60, 3,490,672.80 and 2,491,650.60

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Solution

The fourth proportional to 2,491,650.60, 3,490,672.80 and 2,491,650.60 is: 3,490,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,650.60 : 3,490,672.80 = 2,491,650.60 : x
  2. Step 2: Convert to fraction form
    2,491,650.60/3,490,672.80 = 2,491,650.60/x
  3. Step 3: Cross multiply
    2,491,650.60x = 3,490,672.80 × 2,491,650.60
  4. Step 4: Simplify right side
    2,491,650.60x = 8,697,536,976,523.68
  5. Step 5: Solve for x
    x = 8,697,536,976,523.68/2,491,650.60
  6. Step 6: Final answer
    x = 3,490,672.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.