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Finding the Fourth Proportional to 504,950.22, 756,891.54 and 220,391.28

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Solution

The fourth proportional to 504,950.22, 756,891.54 and 220,391.28 is: 330,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,950.22 : 756,891.54 = 220,391.28 : x
  2. Step 2: Convert to fraction form
    504,950.22/756,891.54 = 220,391.28/x
  3. Step 3: Cross multiply
    504,950.22x = 756,891.54 × 220,391.28
  4. Step 4: Simplify right side
    504,950.22x = 166,812,295,321.77
  5. Step 5: Solve for x
    x = 166,812,295,321.77/504,950.22
  6. Step 6: Final answer
    x = 330,353.94

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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.