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Finding the Fourth Proportional to 3,327,779.74, 4,978,535.97 and 2,520,489.70

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Solution

The fourth proportional to 3,327,779.74, 4,978,535.97 and 2,520,489.70 is: 3,770,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327,779.74 : 4,978,535.97 = 2,520,489.70 : x
  2. Step 2: Convert to fraction form
    3,327,779.74/4,978,535.97 = 2,520,489.70/x
  3. Step 3: Cross multiply
    3,327,779.74x = 4,978,535.97 × 2,520,489.70
  4. Step 4: Simplify right side
    3,327,779.74x = 12,548,348,633,464.51
  5. Step 5: Solve for x
    x = 12,548,348,633,464.51/3,327,779.74
  6. Step 6: Final answer
    x = 3,770,787.02

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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.