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Finding the Fourth Proportional to 401,279.93, 601,744.90 and 151,786.97

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Solution

The fourth proportional to 401,279.93, 601,744.90 and 151,786.97 is: 227,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,279.93 : 601,744.90 = 151,786.97 : x
  2. Step 2: Convert to fraction form
    401,279.93/601,744.90 = 151,786.97/x
  3. Step 3: Cross multiply
    401,279.93x = 601,744.90 × 151,786.97
  4. Step 4: Simplify right side
    401,279.93x = 91,337,035,083.95
  5. Step 5: Solve for x
    x = 91,337,035,083.95/401,279.93
  6. Step 6: Final answer
    x = 227,614.26

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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.