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Finding the Fourth Proportional to 1,942,886.07, 2,914,573.25 and 1,043,091.03

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Solution

The fourth proportional to 1,942,886.07, 2,914,573.25 and 1,043,091.03 is: 1,564,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,886.07 : 2,914,573.25 = 1,043,091.03 : x
  2. Step 2: Convert to fraction form
    1,942,886.07/2,914,573.25 = 1,043,091.03/x
  3. Step 3: Cross multiply
    1,942,886.07x = 2,914,573.25 × 1,043,091.03
  4. Step 4: Simplify right side
    1,942,886.07x = 3,040,165,208,137.49
  5. Step 5: Solve for x
    x = 3,040,165,208,137.49/1,942,886.07
  6. Step 6: Final answer
    x = 1,564,767.62

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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.