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Finding the Fourth Proportional to 647,524.45, 970,732.86 and 248,451.63

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Solution

The fourth proportional to 647,524.45, 970,732.86 and 248,451.63 is: 372,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,524.45 : 970,732.86 = 248,451.63 : x
  2. Step 2: Convert to fraction form
    647,524.45/970,732.86 = 248,451.63/x
  3. Step 3: Cross multiply
    647,524.45x = 970,732.86 × 248,451.63
  4. Step 4: Simplify right side
    647,524.45x = 241,180,161,361.56
  5. Step 5: Solve for x
    x = 241,180,161,361.56/647,524.45
  6. Step 6: Final answer
    x = 372,464.95

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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.