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Finding the Fourth Proportional to 1,815,992.94, 2,723,043.51 and 677,819.04

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Solution

The fourth proportional to 1,815,992.94, 2,723,043.51 and 677,819.04 is: 1,016,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,992.94 : 2,723,043.51 = 677,819.04 : x
  2. Step 2: Convert to fraction form
    1,815,992.94/2,723,043.51 = 677,819.04/x
  3. Step 3: Cross multiply
    1,815,992.94x = 2,723,043.51 × 677,819.04
  4. Step 4: Simplify right side
    1,815,992.94x = 1,845,730,737,826.43
  5. Step 5: Solve for x
    x = 1,845,730,737,826.43/1,815,992.94
  6. Step 6: Final answer
    x = 1,016,375.50

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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.