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Finding the Fourth Proportional to 327,466.90, 490,216.20 and 194,278.60

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Solution

The fourth proportional to 327,466.90, 490,216.20 and 194,278.60 is: 290,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,466.90 : 490,216.20 = 194,278.60 : x
  2. Step 2: Convert to fraction form
    327,466.90/490,216.20 = 194,278.60/x
  3. Step 3: Cross multiply
    327,466.90x = 490,216.20 × 194,278.60
  4. Step 4: Simplify right side
    327,466.90x = 95,238,517,033.32
  5. Step 5: Solve for x
    x = 95,238,517,033.32/327,466.90
  6. Step 6: Final answer
    x = 290,834.03

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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.