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Finding the Fourth Proportional to 329,093.70, 493,640.55 and 188,736.90

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Solution

The fourth proportional to 329,093.70, 493,640.55 and 188,736.90 is: 283,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,093.70 : 493,640.55 = 188,736.90 : x
  2. Step 2: Convert to fraction form
    329,093.70/493,640.55 = 188,736.90/x
  3. Step 3: Cross multiply
    329,093.70x = 493,640.55 × 188,736.90
  4. Step 4: Simplify right side
    329,093.70x = 93,168,187,121.30
  5. Step 5: Solve for x
    x = 93,168,187,121.30/329,093.70
  6. Step 6: Final answer
    x = 283,105.35

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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.