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Finding the Fourth Proportional to 2,648,458.22, 3,972,723.96 and 755,199.41

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Solution

The fourth proportional to 2,648,458.22, 3,972,723.96 and 755,199.41 is: 1,132,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,458.22 : 3,972,723.96 = 755,199.41 : x
  2. Step 2: Convert to fraction form
    2,648,458.22/3,972,723.96 = 755,199.41/x
  3. Step 3: Cross multiply
    2,648,458.22x = 3,972,723.96 × 755,199.41
  4. Step 4: Simplify right side
    2,648,458.22x = 3,000,198,790,684.86
  5. Step 5: Solve for x
    x = 3,000,198,790,684.86/2,648,458.22
  6. Step 6: Final answer
    x = 1,132,809.56

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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.