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Finding the Fourth Proportional to 329,793.90, 494,690.85 and 223,505.70

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Solution

The fourth proportional to 329,793.90, 494,690.85 and 223,505.70 is: 335,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,793.90 : 494,690.85 = 223,505.70 : x
  2. Step 2: Convert to fraction form
    329,793.90/494,690.85 = 223,505.70/x
  3. Step 3: Cross multiply
    329,793.90x = 494,690.85 × 223,505.70
  4. Step 4: Simplify right side
    329,793.90x = 110,566,224,712.85
  5. Step 5: Solve for x
    x = 110,566,224,712.85/329,793.90
  6. Step 6: Final answer
    x = 335,258.55

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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.