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Finding the Fourth Proportional to 383,799.44, 529,642.20 and 214,033.76

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Solution

The fourth proportional to 383,799.44, 529,642.20 and 214,033.76 is: 295,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,799.44 : 529,642.20 = 214,033.76 : x
  2. Step 2: Convert to fraction form
    383,799.44/529,642.20 = 214,033.76/x
  3. Step 3: Cross multiply
    383,799.44x = 529,642.20 × 214,033.76
  4. Step 4: Simplify right side
    383,799.44x = 113,361,311,520.67
  5. Step 5: Solve for x
    x = 113,361,311,520.67/383,799.44
  6. Step 6: Final answer
    x = 295,366.02

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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.