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Finding the Fourth Proportional to 2,603,981.93, 3,904,545.84 and 806,366.34

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Solution

The fourth proportional to 2,603,981.93, 3,904,545.84 and 806,366.34 is: 1,209,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,981.93 : 3,904,545.84 = 806,366.34 : x
  2. Step 2: Convert to fraction form
    2,603,981.93/3,904,545.84 = 806,366.34/x
  3. Step 3: Cross multiply
    2,603,981.93x = 3,904,545.84 × 806,366.34
  4. Step 4: Simplify right side
    2,603,981.93x = 3,148,494,335,339.15
  5. Step 5: Solve for x
    x = 3,148,494,335,339.15/2,603,981.93
  6. Step 6: Final answer
    x = 1,209,107.60

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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.