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Finding the Fourth Proportional to 3,785,760, 5,678,652.15 and 945,872.46

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Solution

The fourth proportional to 3,785,760, 5,678,652.15 and 945,872.46 is: 1,418,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,760 : 5,678,652.15 = 945,872.46 : x
  2. Step 2: Convert to fraction form
    3,785,760/5,678,652.15 = 945,872.46/x
  3. Step 3: Cross multiply
    3,785,760x = 5,678,652.15 × 945,872.46
  4. Step 4: Simplify right side
    3,785,760x = 5,371,280,678,604.79
  5. Step 5: Solve for x
    x = 5,371,280,678,604.79/3,785,760
  6. Step 6: Final answer
    x = 1,418,811.73

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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.