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Finding the Fourth Proportional to 5,491,834.48, 8,228,451.43 and 3,326,316.22

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Solution

The fourth proportional to 5,491,834.48, 8,228,451.43 and 3,326,316.22 is: 4,983,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491,834.48 : 8,228,451.43 = 3,326,316.22 : x
  2. Step 2: Convert to fraction form
    5,491,834.48/8,228,451.43 = 3,326,316.22/x
  3. Step 3: Cross multiply
    5,491,834.48x = 8,228,451.43 × 3,326,316.22
  4. Step 4: Simplify right side
    5,491,834.48x = 27,370,431,457,091.20
  5. Step 5: Solve for x
    x = 27,370,431,457,091.20/5,491,834.48
  6. Step 6: Final answer
    x = 4,983,841.29

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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.