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Finding the Fourth Proportional to 376,512.45, 564,793.20 and 123,725.31

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Solution

The fourth proportional to 376,512.45, 564,793.20 and 123,725.31 is: 185,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,512.45 : 564,793.20 = 123,725.31 : x
  2. Step 2: Convert to fraction form
    376,512.45/564,793.20 = 123,725.31/x
  3. Step 3: Cross multiply
    376,512.45x = 564,793.20 × 123,725.31
  4. Step 4: Simplify right side
    376,512.45x = 69,879,213,755.89
  5. Step 5: Solve for x
    x = 69,879,213,755.89/376,512.45
  6. Step 6: Final answer
    x = 185,596.02

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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.