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Finding the Fourth Proportional to 524,440,832.80, 786,661,249.20 and 252,343,040.80

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Solution

The fourth proportional to 524,440,832.80, 786,661,249.20 and 252,343,040.80 is: 378,514,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,440,832.80 : 786,661,249.20 = 252,343,040.80 : x
  2. Step 2: Convert to fraction form
    524,440,832.80/786,661,249.20 = 252,343,040.80/x
  3. Step 3: Cross multiply
    524,440,832.80x = 786,661,249.20 × 252,343,040.80
  4. Step 4: Simplify right side
    524,440,832.80x = 198,508,491,702,654,592
  5. Step 5: Solve for x
    x = 198,508,491,702,654,592/524,440,832.80
  6. Step 6: Final answer
    x = 378,514,561.20

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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.