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Finding the Fourth Proportional to 324,546.40, 486,819.60 and 184,578.40

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Solution

The fourth proportional to 324,546.40, 486,819.60 and 184,578.40 is: 276,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,546.40 : 486,819.60 = 184,578.40 : x
  2. Step 2: Convert to fraction form
    324,546.40/486,819.60 = 184,578.40/x
  3. Step 3: Cross multiply
    324,546.40x = 486,819.60 × 184,578.40
  4. Step 4: Simplify right side
    324,546.40x = 89,856,382,856.64
  5. Step 5: Solve for x
    x = 89,856,382,856.64/324,546.40
  6. Step 6: Final answer
    x = 276,867.60

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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.