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Finding the Fourth Proportional to 304,622.20, 456,609.30 and 146,747.80

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Solution

The fourth proportional to 304,622.20, 456,609.30 and 146,747.80 is: 219,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,622.20 : 456,609.30 = 146,747.80 : x
  2. Step 2: Convert to fraction form
    304,622.20/456,609.30 = 146,747.80/x
  3. Step 3: Cross multiply
    304,622.20x = 456,609.30 × 146,747.80
  4. Step 4: Simplify right side
    304,622.20x = 67,006,410,234.54
  5. Step 5: Solve for x
    x = 67,006,410,234.54/304,622.20
  6. Step 6: Final answer
    x = 219,965.62

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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.