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Finding the Fourth Proportional to 335,850.80, 503,891.40 and 148,996.40

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Solution

The fourth proportional to 335,850.80, 503,891.40 and 148,996.40 is: 223,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,850.80 : 503,891.40 = 148,996.40 : x
  2. Step 2: Convert to fraction form
    335,850.80/503,891.40 = 148,996.40/x
  3. Step 3: Cross multiply
    335,850.80x = 503,891.40 × 148,996.40
  4. Step 4: Simplify right side
    335,850.80x = 75,078,004,590.96
  5. Step 5: Solve for x
    x = 75,078,004,590.96/335,850.80
  6. Step 6: Final answer
    x = 223,545.71

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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.