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Finding the Fourth Proportional to 3,297,958.40, 4,947,812.40 and 1,167,820.40

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Solution

The fourth proportional to 3,297,958.40, 4,947,812.40 and 1,167,820.40 is: 1,752,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297,958.40 : 4,947,812.40 = 1,167,820.40 : x
  2. Step 2: Convert to fraction form
    3,297,958.40/4,947,812.40 = 1,167,820.40/x
  3. Step 3: Cross multiply
    3,297,958.40x = 4,947,812.40 × 1,167,820.40
  4. Step 4: Simplify right side
    3,297,958.40x = 5,778,156,256,092.96
  5. Step 5: Solve for x
    x = 5,778,156,256,092.96/3,297,958.40
  6. Step 6: Final answer
    x = 1,752,040.37

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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.