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Finding the Fourth Proportional to 248,654.34, 372,984.09 and 199,049.76

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Solution

The fourth proportional to 248,654.34, 372,984.09 and 199,049.76 is: 298,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,654.34 : 372,984.09 = 199,049.76 : x
  2. Step 2: Convert to fraction form
    248,654.34/372,984.09 = 199,049.76/x
  3. Step 3: Cross multiply
    248,654.34x = 372,984.09 × 199,049.76
  4. Step 4: Simplify right side
    248,654.34x = 74,242,393,598.32
  5. Step 5: Solve for x
    x = 74,242,393,598.32/248,654.34
  6. Step 6: Final answer
    x = 298,576.71

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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.