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Finding the Fourth Proportional to 248,650.80, 372,978.82 and 199,046.24

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Solution

The fourth proportional to 248,650.80, 372,978.82 and 199,046.24 is: 298,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,650.80 : 372,978.82 = 199,046.24 : x
  2. Step 2: Convert to fraction form
    248,650.80/372,978.82 = 199,046.24/x
  3. Step 3: Cross multiply
    248,650.80x = 372,978.82 × 199,046.24
  4. Step 4: Simplify right side
    248,650.80x = 74,240,030,104.55
  5. Step 5: Solve for x
    x = 74,240,030,104.55/248,650.80
  6. Step 6: Final answer
    x = 298,571.45

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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.