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Finding the Fourth Proportional to 248,658.27, 372,989.99 and 199,053.69

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Solution

The fourth proportional to 248,658.27, 372,989.99 and 199,053.69 is: 298,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,658.27 : 372,989.99 = 199,053.69 : x
  2. Step 2: Convert to fraction form
    248,658.27/372,989.99 = 199,053.69/x
  3. Step 3: Cross multiply
    248,658.27x = 372,989.99 × 199,053.69
  4. Step 4: Simplify right side
    248,658.27x = 74,245,033,842.56
  5. Step 5: Solve for x
    x = 74,245,033,842.56/248,658.27
  6. Step 6: Final answer
    x = 298,582.60

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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.