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Finding the Fourth Proportional to 654,611.76, 981,806.04 and 181,186.20

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Solution

The fourth proportional to 654,611.76, 981,806.04 and 181,186.20 is: 271,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,611.76 : 981,806.04 = 181,186.20 : x
  2. Step 2: Convert to fraction form
    654,611.76/981,806.04 = 181,186.20/x
  3. Step 3: Cross multiply
    654,611.76x = 981,806.04 × 181,186.20
  4. Step 4: Simplify right side
    654,611.76x = 177,889,705,524.65
  5. Step 5: Solve for x
    x = 177,889,705,524.65/654,611.76
  6. Step 6: Final answer
    x = 271,748.41

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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.