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Finding the Fourth Proportional to 323,037.72, 484,257.13 and 143,027.22

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Solution

The fourth proportional to 323,037.72, 484,257.13 and 143,027.22 is: 214,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,037.72 : 484,257.13 = 143,027.22 : x
  2. Step 2: Convert to fraction form
    323,037.72/484,257.13 = 143,027.22/x
  3. Step 3: Cross multiply
    323,037.72x = 484,257.13 × 143,027.22
  4. Step 4: Simplify right side
    323,037.72x = 69,261,950,608.06
  5. Step 5: Solve for x
    x = 69,261,950,608.06/323,037.72
  6. Step 6: Final answer
    x = 214,408.24

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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.