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Finding the Fourth Proportional to 444,830.40, 667,245.60 and 195,998.40

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Solution

The fourth proportional to 444,830.40, 667,245.60 and 195,998.40 is: 293,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,830.40 : 667,245.60 = 195,998.40 : x
  2. Step 2: Convert to fraction form
    444,830.40/667,245.60 = 195,998.40/x
  3. Step 3: Cross multiply
    444,830.40x = 667,245.60 × 195,998.40
  4. Step 4: Simplify right side
    444,830.40x = 130,779,070,007.04
  5. Step 5: Solve for x
    x = 130,779,070,007.04/444,830.40
  6. Step 6: Final answer
    x = 293,997.60

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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.