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Finding the Fourth Proportional to 325,951.68, 488,928 and 89,296.48

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Solution

The fourth proportional to 325,951.68, 488,928 and 89,296.48 is: 133,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,951.68 : 488,928 = 89,296.48 : x
  2. Step 2: Convert to fraction form
    325,951.68/488,928 = 89,296.48/x
  3. Step 3: Cross multiply
    325,951.68x = 488,928 × 89,296.48
  4. Step 4: Simplify right side
    325,951.68x = 43,659,549,373.44
  5. Step 5: Solve for x
    x = 43,659,549,373.44/325,951.68
  6. Step 6: Final answer
    x = 133,944.85

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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.