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Finding the Fourth Proportional to 339,742.49, 468,806.54 and 203,781.96

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Solution

The fourth proportional to 339,742.49, 468,806.54 and 203,781.96 is: 281,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,742.49 : 468,806.54 = 203,781.96 : x
  2. Step 2: Convert to fraction form
    339,742.49/468,806.54 = 203,781.96/x
  3. Step 3: Cross multiply
    339,742.49x = 468,806.54 × 203,781.96
  4. Step 4: Simplify right side
    339,742.49x = 95,534,314,563.11
  5. Step 5: Solve for x
    x = 95,534,314,563.11/339,742.49
  6. Step 6: Final answer
    x = 281,196.26

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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.