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Finding the Fourth Proportional to 1,344,625.69, 1,855,583.49 and 741,013.69

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Solution

The fourth proportional to 1,344,625.69, 1,855,583.49 and 741,013.69 is: 1,022,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,625.69 : 1,855,583.49 = 741,013.69 : x
  2. Step 2: Convert to fraction form
    1,344,625.69/1,855,583.49 = 741,013.69/x
  3. Step 3: Cross multiply
    1,344,625.69x = 1,855,583.49 × 741,013.69
  4. Step 4: Simplify right side
    1,344,625.69x = 1,375,012,761,610.22
  5. Step 5: Solve for x
    x = 1,375,012,761,610.22/1,344,625.69
  6. Step 6: Final answer
    x = 1,022,598.91

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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.