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Finding the Fourth Proportional to 340,760.70, 511,148.94 and 163,072.41

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Solution

The fourth proportional to 340,760.70, 511,148.94 and 163,072.41 is: 244,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,760.70 : 511,148.94 = 163,072.41 : x
  2. Step 2: Convert to fraction form
    340,760.70/511,148.94 = 163,072.41/x
  3. Step 3: Cross multiply
    340,760.70x = 511,148.94 × 163,072.41
  4. Step 4: Simplify right side
    340,760.70x = 83,354,289,514.75
  5. Step 5: Solve for x
    x = 83,354,289,514.75/340,760.70
  6. Step 6: Final answer
    x = 244,612.39

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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.