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Finding the Fourth Proportional to 344,305.56, 475,186.20 and 193,402.56

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Solution

The fourth proportional to 344,305.56, 475,186.20 and 193,402.56 is: 266,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,305.56 : 475,186.20 = 193,402.56 : x
  2. Step 2: Convert to fraction form
    344,305.56/475,186.20 = 193,402.56/x
  3. Step 3: Cross multiply
    344,305.56x = 475,186.20 × 193,402.56
  4. Step 4: Simplify right side
    344,305.56x = 91,902,227,556.67
  5. Step 5: Solve for x
    x = 91,902,227,556.67/344,305.56
  6. Step 6: Final answer
    x = 266,920.54

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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.