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Finding the Fourth Proportional to 325,768.92, 488,820.58 and 155,183.82

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Solution

The fourth proportional to 325,768.92, 488,820.58 and 155,183.82 is: 232,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,768.92 : 488,820.58 = 155,183.82 : x
  2. Step 2: Convert to fraction form
    325,768.92/488,820.58 = 155,183.82/x
  3. Step 3: Cross multiply
    325,768.92x = 488,820.58 × 155,183.82
  4. Step 4: Simplify right side
    325,768.92x = 75,857,044,899.02
  5. Step 5: Solve for x
    x = 75,857,044,899.02/325,768.92
  6. Step 6: Final answer
    x = 232,855.38

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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.