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Finding the Fourth Proportional to 1,844,736.12, 2,767,436.82 and 834,335.64

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Solution

The fourth proportional to 1,844,736.12, 2,767,436.82 and 834,335.64 is: 1,251,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,736.12 : 2,767,436.82 = 834,335.64 : x
  2. Step 2: Convert to fraction form
    1,844,736.12/2,767,436.82 = 834,335.64/x
  3. Step 3: Cross multiply
    1,844,736.12x = 2,767,436.82 × 834,335.64
  4. Step 4: Simplify right side
    1,844,736.12x = 2,308,971,170,374.26
  5. Step 5: Solve for x
    x = 2,308,971,170,374.26/1,844,736.12
  6. Step 6: Final answer
    x = 1,251,653.91

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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.