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Finding the Fourth Proportional to 298,808.43, 448,256.79 and 96,336.85

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Solution

The fourth proportional to 298,808.43, 448,256.79 and 96,336.85 is: 144,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,808.43 : 448,256.79 = 96,336.85 : x
  2. Step 2: Convert to fraction form
    298,808.43/448,256.79 = 96,336.85/x
  3. Step 3: Cross multiply
    298,808.43x = 448,256.79 × 96,336.85
  4. Step 4: Simplify right side
    298,808.43x = 43,183,647,139.71
  5. Step 5: Solve for x
    x = 43,183,647,139.71/298,808.43
  6. Step 6: Final answer
    x = 144,519.51

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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.