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Finding the Fourth Proportional to 647,525.43, 970,734.23 and 248,452.61

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Solution

The fourth proportional to 647,525.43, 970,734.23 and 248,452.61 is: 372,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,525.43 : 970,734.23 = 248,452.61 : x
  2. Step 2: Convert to fraction form
    647,525.43/970,734.23 = 248,452.61/x
  3. Step 3: Cross multiply
    647,525.43x = 970,734.23 × 248,452.61
  4. Step 4: Simplify right side
    647,525.43x = 241,181,447,895.60
  5. Step 5: Solve for x
    x = 241,181,447,895.60/647,525.43
  6. Step 6: Final answer
    x = 372,466.37

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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.