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Finding the Fourth Proportional to 2,646,576.04, 3,969,888 and 753,316.60

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Solution

The fourth proportional to 2,646,576.04, 3,969,888 and 753,316.60 is: 1,129,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,576.04 : 3,969,888 = 753,316.60 : x
  2. Step 2: Convert to fraction form
    2,646,576.04/3,969,888 = 753,316.60/x
  3. Step 3: Cross multiply
    2,646,576.04x = 3,969,888 × 753,316.60
  4. Step 4: Simplify right side
    2,646,576.04x = 2,990,582,530,540.80
  5. Step 5: Solve for x
    x = 2,990,582,530,540.80/2,646,576.04
  6. Step 6: Final answer
    x = 1,129,981.71

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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.