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Finding the Fourth Proportional to 3,284,891.82, 4,927,349.31 and 1,010,400.87

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Solution

The fourth proportional to 3,284,891.82, 4,927,349.31 and 1,010,400.87 is: 1,515,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284,891.82 : 4,927,349.31 = 1,010,400.87 : x
  2. Step 2: Convert to fraction form
    3,284,891.82/4,927,349.31 = 1,010,400.87/x
  3. Step 3: Cross multiply
    3,284,891.82x = 4,927,349.31 × 1,010,400.87
  4. Step 4: Simplify right side
    3,284,891.82x = 4,978,598,029,617.90
  5. Step 5: Solve for x
    x = 4,978,598,029,617.90/3,284,891.82
  6. Step 6: Final answer
    x = 1,515,604.87

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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.