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Finding the Fourth Proportional to 373,968,049.20, 560,952,073.80 and 220,687,537.20

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Solution

The fourth proportional to 373,968,049.20, 560,952,073.80 and 220,687,537.20 is: 331,031,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,968,049.20 : 560,952,073.80 = 220,687,537.20 : x
  2. Step 2: Convert to fraction form
    373,968,049.20/560,952,073.80 = 220,687,537.20/x
  3. Step 3: Cross multiply
    373,968,049.20x = 560,952,073.80 × 220,687,537.20
  4. Step 4: Simplify right side
    373,968,049.20x = 123,795,131,654,154,624
  5. Step 5: Solve for x
    x = 123,795,131,654,154,624/373,968,049.20
  6. Step 6: Final answer
    x = 331,031,305.80

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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.