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Finding the Fourth Proportional to 264,857.70, 397,286.55 and 185,141.55

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Solution

The fourth proportional to 264,857.70, 397,286.55 and 185,141.55 is: 277,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,857.70 : 397,286.55 = 185,141.55 : x
  2. Step 2: Convert to fraction form
    264,857.70/397,286.55 = 185,141.55/x
  3. Step 3: Cross multiply
    264,857.70x = 397,286.55 × 185,141.55
  4. Step 4: Simplify right side
    264,857.70x = 73,554,247,661.15
  5. Step 5: Solve for x
    x = 73,554,247,661.15/264,857.70
  6. Step 6: Final answer
    x = 277,712.33

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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.