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Finding the Fourth Proportional to 6,453,899.65, 8,914,379.39 and 4,684,974.71

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Solution

The fourth proportional to 6,453,899.65, 8,914,379.39 and 4,684,974.71 is: 6,471,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,899.65 : 8,914,379.39 = 4,684,974.71 : x
  2. Step 2: Convert to fraction form
    6,453,899.65/8,914,379.39 = 4,684,974.71/x
  3. Step 3: Cross multiply
    6,453,899.65x = 8,914,379.39 × 4,684,974.71
  4. Step 4: Simplify right side
    6,453,899.65x = 41,763,641,999,542.26
  5. Step 5: Solve for x
    x = 41,763,641,999,542.26/6,453,899.65
  6. Step 6: Final answer
    x = 6,471,070.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.