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Finding the Fourth Proportional to 386,793.07, 580,058.20 and 134,014.56

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Solution

The fourth proportional to 386,793.07, 580,058.20 and 134,014.56 is: 200,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,793.07 : 580,058.20 = 134,014.56 : x
  2. Step 2: Convert to fraction form
    386,793.07/580,058.20 = 134,014.56/x
  3. Step 3: Cross multiply
    386,793.07x = 580,058.20 × 134,014.56
  4. Step 4: Simplify right side
    386,793.07x = 77,736,242,062.78
  5. Step 5: Solve for x
    x = 77,736,242,062.78/386,793.07
  6. Step 6: Final answer
    x = 200,976.30

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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.