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Finding the Fourth Proportional to 447,855.68, 671,303.90 and 222,731.37

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Solution

The fourth proportional to 447,855.68, 671,303.90 and 222,731.37 is: 333,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,855.68 : 671,303.90 = 222,731.37 : x
  2. Step 2: Convert to fraction form
    447,855.68/671,303.90 = 222,731.37/x
  3. Step 3: Cross multiply
    447,855.68x = 671,303.90 × 222,731.37
  4. Step 4: Simplify right side
    447,855.68x = 149,520,437,890.17
  5. Step 5: Solve for x
    x = 149,520,437,890.17/447,855.68
  6. Step 6: Final answer
    x = 333,858.53

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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.