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Finding the Fourth Proportional to 381,887.39, 571,958.52 and 182,347.54

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Solution

The fourth proportional to 381,887.39, 571,958.52 and 182,347.54 is: 273,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,887.39 : 571,958.52 = 182,347.54 : x
  2. Step 2: Convert to fraction form
    381,887.39/571,958.52 = 182,347.54/x
  3. Step 3: Cross multiply
    381,887.39x = 571,958.52 × 182,347.54
  4. Step 4: Simplify right side
    381,887.39x = 104,295,226,990.34
  5. Step 5: Solve for x
    x = 104,295,226,990.34/381,887.39
  6. Step 6: Final answer
    x = 273,104.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.