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Finding the Fourth Proportional to 351,310.10, 484,808.22 and 190,164.65

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Solution

The fourth proportional to 351,310.10, 484,808.22 and 190,164.65 is: 262,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,310.10 : 484,808.22 = 190,164.65 : x
  2. Step 2: Convert to fraction form
    351,310.10/484,808.22 = 190,164.65/x
  3. Step 3: Cross multiply
    351,310.10x = 484,808.22 × 190,164.65
  4. Step 4: Simplify right side
    351,310.10x = 92,193,383,049.38
  5. Step 5: Solve for x
    x = 92,193,383,049.38/351,310.10
  6. Step 6: Final answer
    x = 262,427.37

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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.