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Finding the Fourth Proportional to 444,955.20, 667,416.60 and 178,643.40

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Solution

The fourth proportional to 444,955.20, 667,416.60 and 178,643.40 is: 267,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,955.20 : 667,416.60 = 178,643.40 : x
  2. Step 2: Convert to fraction form
    444,955.20/667,416.60 = 178,643.40/x
  3. Step 3: Cross multiply
    444,955.20x = 667,416.60 × 178,643.40
  4. Step 4: Simplify right side
    444,955.20x = 119,229,570,640.44
  5. Step 5: Solve for x
    x = 119,229,570,640.44/444,955.20
  6. Step 6: Final answer
    x = 267,958.60

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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.