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Finding the Fourth Proportional to 297,908.33, 446,891.65 and 98,147.21

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Solution

The fourth proportional to 297,908.33, 446,891.65 and 98,147.21 is: 147,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,908.33 : 446,891.65 = 98,147.21 : x
  2. Step 2: Convert to fraction form
    297,908.33/446,891.65 = 98,147.21/x
  3. Step 3: Cross multiply
    297,908.33x = 446,891.65 × 98,147.21
  4. Step 4: Simplify right side
    297,908.33x = 43,861,168,619.80
  5. Step 5: Solve for x
    x = 43,861,168,619.80/297,908.33
  6. Step 6: Final answer
    x = 147,230.42

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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.