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Finding the Fourth Proportional to 472,593.45, 708,604.65 and 188,327.73

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Solution

The fourth proportional to 472,593.45, 708,604.65 and 188,327.73 is: 282,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,593.45 : 708,604.65 = 188,327.73 : x
  2. Step 2: Convert to fraction form
    472,593.45/708,604.65 = 188,327.73/x
  3. Step 3: Cross multiply
    472,593.45x = 708,604.65 × 188,327.73
  4. Step 4: Simplify right side
    472,593.45x = 133,449,905,201.95
  5. Step 5: Solve for x
    x = 133,449,905,201.95/472,593.45
  6. Step 6: Final answer
    x = 282,377.81

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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.