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Finding the Fourth Proportional to 304,826.44, 420,654.99 and 168,859.97

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Solution

The fourth proportional to 304,826.44, 420,654.99 and 168,859.97 is: 233,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,826.44 : 420,654.99 = 168,859.97 : x
  2. Step 2: Convert to fraction form
    304,826.44/420,654.99 = 168,859.97/x
  3. Step 3: Cross multiply
    304,826.44x = 420,654.99 × 168,859.97
  4. Step 4: Simplify right side
    304,826.44x = 71,031,790,515.50
  5. Step 5: Solve for x
    x = 71,031,790,515.50/304,826.44
  6. Step 6: Final answer
    x = 233,023.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.