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Finding the Fourth Proportional to 264,906.30, 397,359.45 and 185,190.15

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Solution

The fourth proportional to 264,906.30, 397,359.45 and 185,190.15 is: 277,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,906.30 : 397,359.45 = 185,190.15 : x
  2. Step 2: Convert to fraction form
    264,906.30/397,359.45 = 185,190.15/x
  3. Step 3: Cross multiply
    264,906.30x = 397,359.45 × 185,190.15
  4. Step 4: Simplify right side
    264,906.30x = 73,587,056,149.42
  5. Step 5: Solve for x
    x = 73,587,056,149.42/264,906.30
  6. Step 6: Final answer
    x = 277,785.23

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Similar ratio
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1.5x scale

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.