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Finding the Fourth Proportional to 335,786.70, 503,769.15 and 146,165.70

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Solution

The fourth proportional to 335,786.70, 503,769.15 and 146,165.70 is: 219,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,786.70 : 503,769.15 = 146,165.70 : x
  2. Step 2: Convert to fraction form
    335,786.70/503,769.15 = 146,165.70/x
  3. Step 3: Cross multiply
    335,786.70x = 503,769.15 × 146,165.70
  4. Step 4: Simplify right side
    335,786.70x = 73,633,770,448.16
  5. Step 5: Solve for x
    x = 73,633,770,448.16/335,786.70
  6. Step 6: Final answer
    x = 219,287.33

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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.