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Finding the Fourth Proportional to 269,930.78, 372,504.51 and 150,698.78

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Solution

The fourth proportional to 269,930.78, 372,504.51 and 150,698.78 is: 207,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,930.78 : 372,504.51 = 150,698.78 : x
  2. Step 2: Convert to fraction form
    269,930.78/372,504.51 = 150,698.78/x
  3. Step 3: Cross multiply
    269,930.78x = 372,504.51 × 150,698.78
  4. Step 4: Simplify right side
    269,930.78x = 56,135,975,201.50
  5. Step 5: Solve for x
    x = 56,135,975,201.50/269,930.78
  6. Step 6: Final answer
    x = 207,964.34

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1.5x scale

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.