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Finding the Fourth Proportional to 4,491,652.58, 6,738,038.01 and 1,758,847.22

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Solution

The fourth proportional to 4,491,652.58, 6,738,038.01 and 1,758,847.22 is: 2,638,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491,652.58 : 6,738,038.01 = 1,758,847.22 : x
  2. Step 2: Convert to fraction form
    4,491,652.58/6,738,038.01 = 1,758,847.22/x
  3. Step 3: Cross multiply
    4,491,652.58x = 6,738,038.01 × 1,758,847.22
  4. Step 4: Simplify right side
    4,491,652.58x = 11,851,179,422,142.83
  5. Step 5: Solve for x
    x = 11,851,179,422,142.83/4,491,652.58
  6. Step 6: Final answer
    x = 2,638,489.78

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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.