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Finding the Fourth Proportional to 300,714.26, 451,071.23 and 120,799.67

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Solution

The fourth proportional to 300,714.26, 451,071.23 and 120,799.67 is: 181,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,714.26 : 451,071.23 = 120,799.67 : x
  2. Step 2: Convert to fraction form
    300,714.26/451,071.23 = 120,799.67/x
  3. Step 3: Cross multiply
    300,714.26x = 451,071.23 × 120,799.67
  4. Step 4: Simplify right side
    300,714.26x = 54,489,252,871.14
  5. Step 5: Solve for x
    x = 54,489,252,871.14/300,714.26
  6. Step 6: Final answer
    x = 181,199.43

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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.