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Finding the Fourth Proportional to 336,297.36, 504,519.84 and 99,658.56

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Solution

The fourth proportional to 336,297.36, 504,519.84 and 99,658.56 is: 149,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,297.36 : 504,519.84 = 99,658.56 : x
  2. Step 2: Convert to fraction form
    336,297.36/504,519.84 = 99,658.56/x
  3. Step 3: Cross multiply
    336,297.36x = 504,519.84 × 99,658.56
  4. Step 4: Simplify right side
    336,297.36x = 50,279,720,745.83
  5. Step 5: Solve for x
    x = 50,279,720,745.83/336,297.36
  6. Step 6: Final answer
    x = 149,509.71

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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.