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Finding the Fourth Proportional to 647,526.43, 970,735.73 and 248,453.61

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Solution

The fourth proportional to 647,526.43, 970,735.73 and 248,453.61 is: 372,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,526.43 : 970,735.73 = 248,453.61 : x
  2. Step 2: Convert to fraction form
    647,526.43/970,735.73 = 248,453.61/x
  3. Step 3: Cross multiply
    647,526.43x = 970,735.73 × 248,453.61
  4. Step 4: Simplify right side
    647,526.43x = 241,182,796,474.49
  5. Step 5: Solve for x
    x = 241,182,796,474.49/647,526.43
  6. Step 6: Final answer
    x = 372,467.88

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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.