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Finding the Fourth Proportional to 1,796,163.69, 2,481,948.23 and 1,279,019.77

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Solution

The fourth proportional to 1,796,163.69, 2,481,948.23 and 1,279,019.77 is: 1,767,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,163.69 : 2,481,948.23 = 1,279,019.77 : x
  2. Step 2: Convert to fraction form
    1,796,163.69/2,481,948.23 = 1,279,019.77/x
  3. Step 3: Cross multiply
    1,796,163.69x = 2,481,948.23 × 1,279,019.77
  4. Step 4: Simplify right side
    1,796,163.69x = 3,174,460,851,279.19
  5. Step 5: Solve for x
    x = 3,174,460,851,279.19/1,796,163.69
  6. Step 6: Final answer
    x = 1,767,356.10

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Why These Related Problems?

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