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Finding the Fourth Proportional to 6,339,408.22, 9,508,762.41 and 4,635,297.82

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Solution

The fourth proportional to 6,339,408.22, 9,508,762.41 and 4,635,297.82 is: 6,952,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339,408.22 : 9,508,762.41 = 4,635,297.82 : x
  2. Step 2: Convert to fraction form
    6,339,408.22/9,508,762.41 = 4,635,297.82/x
  3. Step 3: Cross multiply
    6,339,408.22x = 9,508,762.41 × 4,635,297.82
  4. Step 4: Simplify right side
    6,339,408.22x = 44,075,945,669,970.95
  5. Step 5: Solve for x
    x = 44,075,945,669,970.95/6,339,408.22
  6. Step 6: Final answer
    x = 6,952,690.87

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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.