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Finding the Fourth Proportional to 1,696,579.88, 2,544,870.30 and 797,361.32

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Solution

The fourth proportional to 1,696,579.88, 2,544,870.30 and 797,361.32 is: 1,196,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,579.88 : 2,544,870.30 = 797,361.32 : x
  2. Step 2: Convert to fraction form
    1,696,579.88/2,544,870.30 = 797,361.32/x
  3. Step 3: Cross multiply
    1,696,579.88x = 2,544,870.30 × 797,361.32
  4. Step 4: Simplify right side
    1,696,579.88x = 2,029,181,141,636.80
  5. Step 5: Solve for x
    x = 2,029,181,141,636.80/1,696,579.88
  6. Step 6: Final answer
    x = 1,196,042.21

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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.