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Finding the Fourth Proportional to 365,796.59, 504,971.87 and 275,187.06

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Solution

The fourth proportional to 365,796.59, 504,971.87 and 275,187.06 is: 379,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,796.59 : 504,971.87 = 275,187.06 : x
  2. Step 2: Convert to fraction form
    365,796.59/504,971.87 = 275,187.06/x
  3. Step 3: Cross multiply
    365,796.59x = 504,971.87 × 275,187.06
  4. Step 4: Simplify right side
    365,796.59x = 138,961,722,912.07
  5. Step 5: Solve for x
    x = 138,961,722,912.07/365,796.59
  6. Step 6: Final answer
    x = 379,887.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.