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Finding the Fourth Proportional to 298,286.68, 447,585.66 and 120,924.76

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Solution

The fourth proportional to 298,286.68, 447,585.66 and 120,924.76 is: 181,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,286.68 : 447,585.66 = 120,924.76 : x
  2. Step 2: Convert to fraction form
    298,286.68/447,585.66 = 120,924.76/x
  3. Step 3: Cross multiply
    298,286.68x = 447,585.66 × 120,924.76
  4. Step 4: Simplify right side
    298,286.68x = 54,124,188,514.94
  5. Step 5: Solve for x
    x = 54,124,188,514.94/298,286.68
  6. Step 6: Final answer
    x = 181,450.24

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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.