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Finding the Fourth Proportional to 1,983,193.47, 2,974,737.96 and 563,249.70

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Solution

The fourth proportional to 1,983,193.47, 2,974,737.96 and 563,249.70 is: 844,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,193.47 : 2,974,737.96 = 563,249.70 : x
  2. Step 2: Convert to fraction form
    1,983,193.47/2,974,737.96 = 563,249.70/x
  3. Step 3: Cross multiply
    1,983,193.47x = 2,974,737.96 × 563,249.70
  4. Step 4: Simplify right side
    1,983,193.47x = 1,675,520,263,548.61
  5. Step 5: Solve for x
    x = 1,675,520,263,548.61/1,983,193.47
  6. Step 6: Final answer
    x = 844,859.71

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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.