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Finding the Fourth Proportional to 437,559.75, 656,450.33 and 122,016.69

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Solution

The fourth proportional to 437,559.75, 656,450.33 and 122,016.69 is: 183,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,559.75 : 656,450.33 = 122,016.69 : x
  2. Step 2: Convert to fraction form
    437,559.75/656,450.33 = 122,016.69/x
  3. Step 3: Cross multiply
    437,559.75x = 656,450.33 × 122,016.69
  4. Step 4: Simplify right side
    437,559.75x = 80,097,895,805.92
  5. Step 5: Solve for x
    x = 80,097,895,805.92/437,559.75
  6. Step 6: Final answer
    x = 183,055.90

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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.