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Finding the Fourth Proportional to 382,997.24, 574,758.38 and 133,679.24

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Solution

The fourth proportional to 382,997.24, 574,758.38 and 133,679.24 is: 200,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,997.24 : 574,758.38 = 133,679.24 : x
  2. Step 2: Convert to fraction form
    382,997.24/574,758.38 = 133,679.24/x
  3. Step 3: Cross multiply
    382,997.24x = 574,758.38 × 133,679.24
  4. Step 4: Simplify right side
    382,997.24x = 76,833,263,422.03
  5. Step 5: Solve for x
    x = 76,833,263,422.03/382,997.24
  6. Step 6: Final answer
    x = 200,610.49

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1.5x scale

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.