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Finding the Fourth Proportional to 325,472.58, 488,233.44 and 100,855.68

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Solution

The fourth proportional to 325,472.58, 488,233.44 and 100,855.68 is: 151,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,472.58 : 488,233.44 = 100,855.68 : x
  2. Step 2: Convert to fraction form
    325,472.58/488,233.44 = 100,855.68/x
  3. Step 3: Cross multiply
    325,472.58x = 488,233.44 × 100,855.68
  4. Step 4: Simplify right side
    325,472.58x = 49,241,115,589.94
  5. Step 5: Solve for x
    x = 49,241,115,589.94/325,472.58
  6. Step 6: Final answer
    x = 151,291.13

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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.