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Finding the Fourth Proportional to 471,912.39, 706,549.46 and 254,993.94

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Solution

The fourth proportional to 471,912.39, 706,549.46 and 254,993.94 is: 381,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,912.39 : 706,549.46 = 254,993.94 : x
  2. Step 2: Convert to fraction form
    471,912.39/706,549.46 = 254,993.94/x
  3. Step 3: Cross multiply
    471,912.39x = 706,549.46 × 254,993.94
  4. Step 4: Simplify right side
    471,912.39x = 180,165,829,335.30
  5. Step 5: Solve for x
    x = 180,165,829,335.30/471,912.39
  6. Step 6: Final answer
    x = 381,778.13

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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.