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Finding the Fourth Proportional to 447,579.65, 671,362.89 and 110,620.33

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Solution

The fourth proportional to 447,579.65, 671,362.89 and 110,620.33 is: 165,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,579.65 : 671,362.89 = 110,620.33 : x
  2. Step 2: Convert to fraction form
    447,579.65/671,362.89 = 110,620.33/x
  3. Step 3: Cross multiply
    447,579.65x = 671,362.89 × 110,620.33
  4. Step 4: Simplify right side
    447,579.65x = 74,266,383,888.45
  5. Step 5: Solve for x
    x = 74,266,383,888.45/447,579.65
  6. Step 6: Final answer
    x = 165,928.87

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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.