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Finding the Fourth Proportional to 217,244.80, 325,867.20 and 184,439.80

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Solution

The fourth proportional to 217,244.80, 325,867.20 and 184,439.80 is: 276,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,244.80 : 325,867.20 = 184,439.80 : x
  2. Step 2: Convert to fraction form
    217,244.80/325,867.20 = 184,439.80/x
  3. Step 3: Cross multiply
    217,244.80x = 325,867.20 × 184,439.80
  4. Step 4: Simplify right side
    217,244.80x = 60,102,881,194.56
  5. Step 5: Solve for x
    x = 60,102,881,194.56/217,244.80
  6. Step 6: Final answer
    x = 276,659.70

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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.