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Finding the Fourth Proportional to 248,651.50, 372,979.86 and 199,046.93

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Solution

The fourth proportional to 248,651.50, 372,979.86 and 199,046.93 is: 298,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,651.50 : 372,979.86 = 199,046.93 : x
  2. Step 2: Convert to fraction form
    248,651.50/372,979.86 = 199,046.93/x
  3. Step 3: Cross multiply
    248,651.50x = 372,979.86 × 199,046.93
  4. Step 4: Simplify right side
    248,651.50x = 74,240,493,224.70
  5. Step 5: Solve for x
    x = 74,240,493,224.70/248,651.50
  6. Step 6: Final answer
    x = 298,572.48

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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.