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Finding the Fourth Proportional to 298,979.76, 412,256.87 and 244,362.43

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Solution

The fourth proportional to 298,979.76, 412,256.87 and 244,362.43 is: 336,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,979.76 : 412,256.87 = 244,362.43 : x
  2. Step 2: Convert to fraction form
    298,979.76/412,256.87 = 244,362.43/x
  3. Step 3: Cross multiply
    298,979.76x = 412,256.87 × 244,362.43
  4. Step 4: Simplify right side
    298,979.76x = 100,740,091,148.30
  5. Step 5: Solve for x
    x = 100,740,091,148.30/298,979.76
  6. Step 6: Final answer
    x = 336,946.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.