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Finding the Fourth Proportional to 994,491.40, 1,491,737.10 and 894,958.60

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Solution

The fourth proportional to 994,491.40, 1,491,737.10 and 894,958.60 is: 1,342,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,491.40 : 1,491,737.10 = 894,958.60 : x
  2. Step 2: Convert to fraction form
    994,491.40/1,491,737.10 = 894,958.60/x
  3. Step 3: Cross multiply
    994,491.40x = 1,491,737.10 × 894,958.60
  4. Step 4: Simplify right side
    994,491.40x = 1,335,042,946,584.06
  5. Step 5: Solve for x
    x = 1,335,042,946,584.06/994,491.40
  6. Step 6: Final answer
    x = 1,342,437.90

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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.