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Finding the Fourth Proportional to 2,339,857.23, 3,509,786.93 and 843,949.23

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Solution

The fourth proportional to 2,339,857.23, 3,509,786.93 and 843,949.23 is: 1,265,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,857.23 : 3,509,786.93 = 843,949.23 : x
  2. Step 2: Convert to fraction form
    2,339,857.23/3,509,786.93 = 843,949.23/x
  3. Step 3: Cross multiply
    2,339,857.23x = 3,509,786.93 × 843,949.23
  4. Step 4: Simplify right side
    2,339,857.23x = 2,962,081,972,817.82
  5. Step 5: Solve for x
    x = 2,962,081,972,817.82/2,339,857.23
  6. Step 6: Final answer
    x = 1,265,924.23

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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.