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Finding the Fourth Proportional to 1,941,850.60, 2,912,308.80 and 994,733.80

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Solution

The fourth proportional to 1,941,850.60, 2,912,308.80 and 994,733.80 is: 1,491,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,850.60 : 2,912,308.80 = 994,733.80 : x
  2. Step 2: Convert to fraction form
    1,941,850.60/2,912,308.80 = 994,733.80/x
  3. Step 3: Cross multiply
    1,941,850.60x = 2,912,308.80 × 994,733.80
  4. Step 4: Simplify right side
    1,941,850.60x = 2,896,971,999,397.44
  5. Step 5: Solve for x
    x = 2,896,971,999,397.44/1,941,850.60
  6. Step 6: Final answer
    x = 1,491,861.42

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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.