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Finding the Fourth Proportional to 336,474.72, 504,634.26 and 99,760.32

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Solution

The fourth proportional to 336,474.72, 504,634.26 and 99,760.32 is: 149,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,474.72 : 504,634.26 = 99,760.32 : x
  2. Step 2: Convert to fraction form
    336,474.72/504,634.26 = 99,760.32/x
  3. Step 3: Cross multiply
    336,474.72x = 504,634.26 × 99,760.32
  4. Step 4: Simplify right side
    336,474.72x = 50,342,475,260.56
  5. Step 5: Solve for x
    x = 50,342,475,260.56/336,474.72
  6. Step 6: Final answer
    x = 149,617.41

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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.