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Finding the Fourth Proportional to 351,846.32, 485,546.00 and 190,699.65

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Solution

The fourth proportional to 351,846.32, 485,546.00 and 190,699.65 is: 263,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,846.32 : 485,546.00 = 190,699.65 : x
  2. Step 2: Convert to fraction form
    351,846.32/485,546.00 = 190,699.65/x
  3. Step 3: Cross multiply
    351,846.32x = 485,546.00 × 190,699.65
  4. Step 4: Simplify right side
    351,846.32x = 92,593,451,305.40
  5. Step 5: Solve for x
    x = 92,593,451,305.40/351,846.32
  6. Step 6: Final answer
    x = 263,164.48

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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.