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Finding the Fourth Proportional to 304,546.20, 456,819.30 and 146,790.60

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Solution

The fourth proportional to 304,546.20, 456,819.30 and 146,790.60 is: 220,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,546.20 : 456,819.30 = 146,790.60 : x
  2. Step 2: Convert to fraction form
    304,546.20/456,819.30 = 146,790.60/x
  3. Step 3: Cross multiply
    304,546.20x = 456,819.30 × 146,790.60
  4. Step 4: Simplify right side
    304,546.20x = 67,056,779,138.58
  5. Step 5: Solve for x
    x = 67,056,779,138.58/304,546.20
  6. Step 6: Final answer
    x = 220,185.90

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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.