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Finding the Fourth Proportional to 383,859.63, 529,727.01 and 214,104.69

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Solution

The fourth proportional to 383,859.63, 529,727.01 and 214,104.69 is: 295,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,859.63 : 529,727.01 = 214,104.69 : x
  2. Step 2: Convert to fraction form
    383,859.63/529,727.01 = 214,104.69/x
  3. Step 3: Cross multiply
    383,859.63x = 529,727.01 × 214,104.69
  4. Step 4: Simplify right side
    383,859.63x = 113,417,037,260.68
  5. Step 5: Solve for x
    x = 113,417,037,260.68/383,859.63
  6. Step 6: Final answer
    x = 295,464.87

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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.