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Finding the Fourth Proportional to 298,568.12, 412,021.13 and 162,604.33

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Solution

The fourth proportional to 298,568.12, 412,021.13 and 162,604.33 is: 224,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,568.12 : 412,021.13 = 162,604.33 : x
  2. Step 2: Convert to fraction form
    298,568.12/412,021.13 = 162,604.33/x
  3. Step 3: Cross multiply
    298,568.12x = 412,021.13 × 162,604.33
  4. Step 4: Simplify right side
    298,568.12x = 66,996,419,491.50
  5. Step 5: Solve for x
    x = 66,996,419,491.50/298,568.12
  6. Step 6: Final answer
    x = 224,392.41

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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.