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Finding the Fourth Proportional to 296,997.36, 445,408.56 and 230,512.56

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Solution

The fourth proportional to 296,997.36, 445,408.56 and 230,512.56 is: 345,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,997.36 : 445,408.56 = 230,512.56 : x
  2. Step 2: Convert to fraction form
    296,997.36/445,408.56 = 230,512.56/x
  3. Step 3: Cross multiply
    296,997.36x = 445,408.56 × 230,512.56
  4. Step 4: Simplify right side
    296,997.36x = 102,672,267,411.51
  5. Step 5: Solve for x
    x = 102,672,267,411.51/296,997.36
  6. Step 6: Final answer
    x = 345,700.94

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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.