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Finding the Fourth Proportional to 382,997.64, 574,200.44 and 193,360.38

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Solution

The fourth proportional to 382,997.64, 574,200.44 and 193,360.38 is: 289,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,997.64 : 574,200.44 = 193,360.38 : x
  2. Step 2: Convert to fraction form
    382,997.64/574,200.44 = 193,360.38/x
  3. Step 3: Cross multiply
    382,997.64x = 574,200.44 × 193,360.38
  4. Step 4: Simplify right side
    382,997.64x = 111,027,615,274.57
  5. Step 5: Solve for x
    x = 111,027,615,274.57/382,997.64
  6. Step 6: Final answer
    x = 289,891.12

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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.