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Finding the Fourth Proportional to 537,092.78, 741,190.72 and 295,390.81

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Solution

The fourth proportional to 537,092.78, 741,190.72 and 295,390.81 is: 407,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,092.78 : 741,190.72 = 295,390.81 : x
  2. Step 2: Convert to fraction form
    537,092.78/741,190.72 = 295,390.81/x
  3. Step 3: Cross multiply
    537,092.78x = 741,190.72 × 295,390.81
  4. Step 4: Simplify right side
    537,092.78x = 218,940,923,439.33
  5. Step 5: Solve for x
    x = 218,940,923,439.33/537,092.78
  6. Step 6: Final answer
    x = 407,640.79

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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.