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Finding the Fourth Proportional to 358,144.57, 494,229.09 and 196,999.58

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Solution

The fourth proportional to 358,144.57, 494,229.09 and 196,999.58 is: 271,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,144.57 : 494,229.09 = 196,999.58 : x
  2. Step 2: Convert to fraction form
    358,144.57/494,229.09 = 196,999.58/x
  3. Step 3: Cross multiply
    358,144.57x = 494,229.09 × 196,999.58
  4. Step 4: Simplify right side
    358,144.57x = 97,362,922,348.06
  5. Step 5: Solve for x
    x = 97,362,922,348.06/358,144.57
  6. Step 6: Final answer
    x = 271,853.69

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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.