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Finding the Fourth Proportional to 304,091.80, 456,234.90 and 104,540.20

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Solution

The fourth proportional to 304,091.80, 456,234.90 and 104,540.20 is: 156,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,091.80 : 456,234.90 = 104,540.20 : x
  2. Step 2: Convert to fraction form
    304,091.80/456,234.90 = 104,540.20/x
  3. Step 3: Cross multiply
    304,091.80x = 456,234.90 × 104,540.20
  4. Step 4: Simplify right side
    304,091.80x = 47,694,887,692.98
  5. Step 5: Solve for x
    x = 47,694,887,692.98/304,091.80
  6. Step 6: Final answer
    x = 156,843.72

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1.5x scale

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.