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Finding the Fourth Proportional to 552,163.20, 827,807.40 and 302,845.20

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Solution

The fourth proportional to 552,163.20, 827,807.40 and 302,845.20 is: 454,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,163.20 : 827,807.40 = 302,845.20 : x
  2. Step 2: Convert to fraction form
    552,163.20/827,807.40 = 302,845.20/x
  3. Step 3: Cross multiply
    552,163.20x = 827,807.40 × 302,845.20
  4. Step 4: Simplify right side
    552,163.20x = 250,697,497,614.48
  5. Step 5: Solve for x
    x = 250,697,497,614.48/552,163.20
  6. Step 6: Final answer
    x = 454,027.90

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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.