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Finding the Fourth Proportional to 630,803.33, 946,218.44 and 226,021.98

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Solution

The fourth proportional to 630,803.33, 946,218.44 and 226,021.98 is: 339,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,803.33 : 946,218.44 = 226,021.98 : x
  2. Step 2: Convert to fraction form
    630,803.33/946,218.44 = 226,021.98/x
  3. Step 3: Cross multiply
    630,803.33x = 946,218.44 × 226,021.98
  4. Step 4: Simplify right side
    630,803.33x = 213,866,165,321.31
  5. Step 5: Solve for x
    x = 213,866,165,321.31/630,803.33
  6. Step 6: Final answer
    x = 339,037.79

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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.