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Finding the Fourth Proportional to 246,861.92, 340,668.78 and 133,684.64

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Solution

The fourth proportional to 246,861.92, 340,668.78 and 133,684.64 is: 184,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,861.92 : 340,668.78 = 133,684.64 : x
  2. Step 2: Convert to fraction form
    246,861.92/340,668.78 = 133,684.64/x
  3. Step 3: Cross multiply
    246,861.92x = 340,668.78 × 133,684.64
  4. Step 4: Simplify right side
    246,861.92x = 45,542,183,213.54
  5. Step 5: Solve for x
    x = 45,542,183,213.54/246,861.92
  6. Step 6: Final answer
    x = 184,484.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.