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Finding the Fourth Proportional to 3,297,945.90, 4,947,793.65 and 1,167,807.90

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Solution

The fourth proportional to 3,297,945.90, 4,947,793.65 and 1,167,807.90 is: 1,752,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297,945.90 : 4,947,793.65 = 1,167,807.90 : x
  2. Step 2: Convert to fraction form
    3,297,945.90/4,947,793.65 = 1,167,807.90/x
  3. Step 3: Cross multiply
    3,297,945.90x = 4,947,793.65 × 1,167,807.90
  4. Step 4: Simplify right side
    3,297,945.90x = 5,778,072,512,039.84
  5. Step 5: Solve for x
    x = 5,778,072,512,039.84/3,297,945.90
  6. Step 6: Final answer
    x = 1,752,021.62

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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.