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Finding the Fourth Proportional to 2,764,648.80, 4,146,678.40 and 967,566.60

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Solution

The fourth proportional to 2,764,648.80, 4,146,678.40 and 967,566.60 is: 1,451,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,648.80 : 4,146,678.40 = 967,566.60 : x
  2. Step 2: Convert to fraction form
    2,764,648.80/4,146,678.40 = 967,566.60/x
  3. Step 3: Cross multiply
    2,764,648.80x = 4,146,678.40 × 967,566.60
  4. Step 4: Simplify right side
    2,764,648.80x = 4,012,187,520,781.44
  5. Step 5: Solve for x
    x = 4,012,187,520,781.44/2,764,648.80
  6. Step 6: Final answer
    x = 1,451,246.73

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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.