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Finding the Fourth Proportional to 352,693.95, 486,749.39 and 199,769.33

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Solution

The fourth proportional to 352,693.95, 486,749.39 and 199,769.33 is: 275,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,693.95 : 486,749.39 = 199,769.33 : x
  2. Step 2: Convert to fraction form
    352,693.95/486,749.39 = 199,769.33/x
  3. Step 3: Cross multiply
    352,693.95x = 486,749.39 × 199,769.33
  4. Step 4: Simplify right side
    352,693.95x = 97,237,599,736.24
  5. Step 5: Solve for x
    x = 97,237,599,736.24/352,693.95
  6. Step 6: Final answer
    x = 275,699.66

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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.