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Finding the Fourth Proportional to 296,820, 445,255.92 and 75,204

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Solution

The fourth proportional to 296,820, 445,255.92 and 75,204 is: 112,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,820 : 445,255.92 = 75,204 : x
  2. Step 2: Convert to fraction form
    296,820/445,255.92 = 75,204/x
  3. Step 3: Cross multiply
    296,820x = 445,255.92 × 75,204
  4. Step 4: Simplify right side
    296,820x = 33,485,026,207.68
  5. Step 5: Solve for x
    x = 33,485,026,207.68/296,820
  6. Step 6: Final answer
    x = 112,812.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.