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Finding the Fourth Proportional to 277,800.35, 383,362.43 and 156,939.44

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Solution

The fourth proportional to 277,800.35, 383,362.43 and 156,939.44 is: 216,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,800.35 : 383,362.43 = 156,939.44 : x
  2. Step 2: Convert to fraction form
    277,800.35/383,362.43 = 156,939.44/x
  3. Step 3: Cross multiply
    277,800.35x = 383,362.43 × 156,939.44
  4. Step 4: Simplify right side
    277,800.35x = 60,164,682,379.73
  5. Step 5: Solve for x
    x = 60,164,682,379.73/277,800.35
  6. Step 6: Final answer
    x = 216,575.26

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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.