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Finding the Fourth Proportional to 1,828,668.56, 2,743,011.96 and 749,770.42

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Solution

The fourth proportional to 1,828,668.56, 2,743,011.96 and 749,770.42 is: 1,124,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,668.56 : 2,743,011.96 = 749,770.42 : x
  2. Step 2: Convert to fraction form
    1,828,668.56/2,743,011.96 = 749,770.42/x
  3. Step 3: Cross multiply
    1,828,668.56x = 2,743,011.96 × 749,770.42
  4. Step 4: Simplify right side
    1,828,668.56x = 2,056,629,229,314.22
  5. Step 5: Solve for x
    x = 2,056,629,229,314.22/1,828,668.56
  6. Step 6: Final answer
    x = 1,124,659.37

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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.