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Finding the Fourth Proportional to 447,273.36, 670,888.20 and 166,768.72

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Solution

The fourth proportional to 447,273.36, 670,888.20 and 166,768.72 is: 250,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,273.36 : 670,888.20 = 166,768.72 : x
  2. Step 2: Convert to fraction form
    447,273.36/670,888.20 = 166,768.72/x
  3. Step 3: Cross multiply
    447,273.36x = 670,888.20 × 166,768.72
  4. Step 4: Simplify right side
    447,273.36x = 111,883,166,377.10
  5. Step 5: Solve for x
    x = 111,883,166,377.10/447,273.36
  6. Step 6: Final answer
    x = 250,144.94

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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.