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Finding the Fourth Proportional to 291,679.08, 437,481.72 and 114,310.65

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Solution

The fourth proportional to 291,679.08, 437,481.72 and 114,310.65 is: 171,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,679.08 : 437,481.72 = 114,310.65 : x
  2. Step 2: Convert to fraction form
    291,679.08/437,481.72 = 114,310.65/x
  3. Step 3: Cross multiply
    291,679.08x = 437,481.72 × 114,310.65
  4. Step 4: Simplify right side
    291,679.08x = 50,008,819,776.32
  5. Step 5: Solve for x
    x = 50,008,819,776.32/291,679.08
  6. Step 6: Final answer
    x = 171,451.51

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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.