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Finding the Fourth Proportional to 304,620.20, 456,606.30 and 146,745.80

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Solution

The fourth proportional to 304,620.20, 456,606.30 and 146,745.80 is: 219,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,620.20 : 456,606.30 = 146,745.80 : x
  2. Step 2: Convert to fraction form
    304,620.20/456,606.30 = 146,745.80/x
  3. Step 3: Cross multiply
    304,620.20x = 456,606.30 × 146,745.80
  4. Step 4: Simplify right side
    304,620.20x = 67,005,056,778.54
  5. Step 5: Solve for x
    x = 67,005,056,778.54/304,620.20
  6. Step 6: Final answer
    x = 219,962.62

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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.