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Finding the Fourth Proportional to 383,888.44, 529,766.64 and 214,133.44

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Solution

The fourth proportional to 383,888.44, 529,766.64 and 214,133.44 is: 295,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,888.44 : 529,766.64 = 214,133.44 : x
  2. Step 2: Convert to fraction form
    383,888.44/529,766.64 = 214,133.44/x
  3. Step 3: Cross multiply
    383,888.44x = 529,766.64 × 214,133.44
  4. Step 4: Simplify right side
    383,888.44x = 113,440,753,020.44
  5. Step 5: Solve for x
    x = 113,440,753,020.44/383,888.44
  6. Step 6: Final answer
    x = 295,504.48

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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.