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Finding the Fourth Proportional to 248,658.93, 372,990.96 and 199,054.33

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Solution

The fourth proportional to 248,658.93, 372,990.96 and 199,054.33 is: 298,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,658.93 : 372,990.96 = 199,054.33 : x
  2. Step 2: Convert to fraction form
    248,658.93/372,990.96 = 199,054.33/x
  3. Step 3: Cross multiply
    248,658.93x = 372,990.96 × 199,054.33
  4. Step 4: Simplify right side
    248,658.93x = 74,245,464,706.38
  5. Step 5: Solve for x
    x = 74,245,464,706.38/248,658.93
  6. Step 6: Final answer
    x = 298,583.54

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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.