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Finding the Fourth Proportional to 327,851.60, 491,777.40 and 296,747.60

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Solution

The fourth proportional to 327,851.60, 491,777.40 and 296,747.60 is: 445,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,851.60 : 491,777.40 = 296,747.60 : x
  2. Step 2: Convert to fraction form
    327,851.60/491,777.40 = 296,747.60/x
  3. Step 3: Cross multiply
    327,851.60x = 491,777.40 × 296,747.60
  4. Step 4: Simplify right side
    327,851.60x = 145,933,763,184.24
  5. Step 5: Solve for x
    x = 145,933,763,184.24/327,851.60
  6. Step 6: Final answer
    x = 445,121.40

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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.