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Finding the Fourth Proportional to 1,733,721.26, 2,392,405.41 and 969,627.20

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Solution

The fourth proportional to 1,733,721.26, 2,392,405.41 and 969,627.20 is: 1,338,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,721.26 : 2,392,405.41 = 969,627.20 : x
  2. Step 2: Convert to fraction form
    1,733,721.26/2,392,405.41 = 969,627.20/x
  3. Step 3: Cross multiply
    1,733,721.26x = 2,392,405.41 × 969,627.20
  4. Step 4: Simplify right side
    1,733,721.26x = 2,319,741,347,001.13
  5. Step 5: Solve for x
    x = 2,319,741,347,001.13/1,733,721.26
  6. Step 6: Final answer
    x = 1,338,012.87

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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.