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Finding the Fourth Proportional to 327,842.80, 491,618.40 and 150,404.20

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Solution

The fourth proportional to 327,842.80, 491,618.40 and 150,404.20 is: 225,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,842.80 : 491,618.40 = 150,404.20 : x
  2. Step 2: Convert to fraction form
    327,842.80/491,618.40 = 150,404.20/x
  3. Step 3: Cross multiply
    327,842.80x = 491,618.40 × 150,404.20
  4. Step 4: Simplify right side
    327,842.80x = 73,941,472,157.28
  5. Step 5: Solve for x
    x = 73,941,472,157.28/327,842.80
  6. Step 6: Final answer
    x = 225,539.41

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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.