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Finding the Fourth Proportional to 198,626.80, 297,940.20 and 183,463.60

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Solution

The fourth proportional to 198,626.80, 297,940.20 and 183,463.60 is: 275,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,626.80 : 297,940.20 = 183,463.60 : x
  2. Step 2: Convert to fraction form
    198,626.80/297,940.20 = 183,463.60/x
  3. Step 3: Cross multiply
    198,626.80x = 297,940.20 × 183,463.60
  4. Step 4: Simplify right side
    198,626.80x = 54,661,181,676.72
  5. Step 5: Solve for x
    x = 54,661,181,676.72/198,626.80
  6. Step 6: Final answer
    x = 275,195.40

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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.