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Finding the Fourth Proportional to 353,961.37, 530,661.39 and 185,449.38

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Solution

The fourth proportional to 353,961.37, 530,661.39 and 185,449.38 is: 278,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,961.37 : 530,661.39 = 185,449.38 : x
  2. Step 2: Convert to fraction form
    353,961.37/530,661.39 = 185,449.38/x
  3. Step 3: Cross multiply
    353,961.37x = 530,661.39 × 185,449.38
  4. Step 4: Simplify right side
    353,961.37x = 98,410,823,112.13
  5. Step 5: Solve for x
    x = 98,410,823,112.13/353,961.37
  6. Step 6: Final answer
    x = 278,027.01

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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.