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Finding the Fourth Proportional to 633,891.88, 950,830.62 and 154,122.40

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Solution

The fourth proportional to 633,891.88, 950,830.62 and 154,122.40 is: 231,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,891.88 : 950,830.62 = 154,122.40 : x
  2. Step 2: Convert to fraction form
    633,891.88/950,830.62 = 154,122.40/x
  3. Step 3: Cross multiply
    633,891.88x = 950,830.62 × 154,122.40
  4. Step 4: Simplify right side
    633,891.88x = 146,544,297,147.89
  5. Step 5: Solve for x
    x = 146,544,297,147.89/633,891.88
  6. Step 6: Final answer
    x = 231,181.85

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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.