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Finding the Fourth Proportional to 551,780.20, 827,232.90 and 302,462.20

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Solution

The fourth proportional to 551,780.20, 827,232.90 and 302,462.20 is: 453,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,780.20 : 827,232.90 = 302,462.20 : x
  2. Step 2: Convert to fraction form
    551,780.20/827,232.90 = 302,462.20/x
  3. Step 3: Cross multiply
    551,780.20x = 827,232.90 × 302,462.20
  4. Step 4: Simplify right side
    551,780.20x = 250,206,682,846.38
  5. Step 5: Solve for x
    x = 250,206,682,846.38/551,780.20
  6. Step 6: Final answer
    x = 453,453.54

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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.