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Finding the Fourth Proportional to 339,663.36, 468,615.86 and 203,741.30

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Solution

The fourth proportional to 339,663.36, 468,615.86 and 203,741.30 is: 281,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,663.36 : 468,615.86 = 203,741.30 : x
  2. Step 2: Convert to fraction form
    339,663.36/468,615.86 = 203,741.30/x
  3. Step 3: Cross multiply
    339,663.36x = 468,615.86 × 203,741.30
  4. Step 4: Simplify right side
    339,663.36x = 95,476,404,517.02
  5. Step 5: Solve for x
    x = 95,476,404,517.02/339,663.36
  6. Step 6: Final answer
    x = 281,091.27

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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.