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Finding the Fourth Proportional to 3,182,584.89, 4,773,747.87 and 786,369.18

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Solution

The fourth proportional to 3,182,584.89, 4,773,747.87 and 786,369.18 is: 1,179,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,584.89 : 4,773,747.87 = 786,369.18 : x
  2. Step 2: Convert to fraction form
    3,182,584.89/4,773,747.87 = 786,369.18/x
  3. Step 3: Cross multiply
    3,182,584.89x = 4,773,747.87 × 786,369.18
  4. Step 4: Simplify right side
    3,182,584.89x = 3,753,928,198,058.65
  5. Step 5: Solve for x
    x = 3,753,928,198,058.65/3,182,584.89
  6. Step 6: Final answer
    x = 1,179,521.78

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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.