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Finding the Fourth Proportional to 329,879.15, 494,785.91 and 152,383.59

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Solution

The fourth proportional to 329,879.15, 494,785.91 and 152,383.59 is: 228,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,879.15 : 494,785.91 = 152,383.59 : x
  2. Step 2: Convert to fraction form
    329,879.15/494,785.91 = 152,383.59/x
  3. Step 3: Cross multiply
    329,879.15x = 494,785.91 × 152,383.59
  4. Step 4: Simplify right side
    329,879.15x = 75,397,252,485.30
  5. Step 5: Solve for x
    x = 75,397,252,485.30/329,879.15
  6. Step 6: Final answer
    x = 228,560.23

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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.