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Finding the Fourth Proportional to 275,714,469.80, 413,571,704.70 and 245,581,765.10

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Solution

The fourth proportional to 275,714,469.80, 413,571,704.70 and 245,581,765.10 is: 368,372,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,714,469.80 : 413,571,704.70 = 245,581,765.10 : x
  2. Step 2: Convert to fraction form
    275,714,469.80/413,571,704.70 = 245,581,765.10/x
  3. Step 3: Cross multiply
    275,714,469.80x = 413,571,704.70 × 245,581,765.10
  4. Step 4: Simplify right side
    275,714,469.80x = 101,565,669,235,641,968
  5. Step 5: Solve for x
    x = 101,565,669,235,641,968/275,714,469.80
  6. Step 6: Final answer
    x = 368,372,647.65

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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.