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Finding the Fourth Proportional to 329,611.02, 493,062.96 and 263,180.88

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Solution

The fourth proportional to 329,611.02, 493,062.96 and 263,180.88 is: 393,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,611.02 : 493,062.96 = 263,180.88 : x
  2. Step 2: Convert to fraction form
    329,611.02/493,062.96 = 263,180.88/x
  3. Step 3: Cross multiply
    329,611.02x = 493,062.96 × 263,180.88
  4. Step 4: Simplify right side
    329,611.02x = 129,764,743,708.21
  5. Step 5: Solve for x
    x = 129,764,743,708.21/329,611.02
  6. Step 6: Final answer
    x = 393,690.55

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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.