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Finding the Fourth Proportional to 444,506.81, 666,692.33 and 144,986.85

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Solution

The fourth proportional to 444,506.81, 666,692.33 and 144,986.85 is: 217,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,506.81 : 666,692.33 = 144,986.85 : x
  2. Step 2: Convert to fraction form
    444,506.81/666,692.33 = 144,986.85/x
  3. Step 3: Cross multiply
    444,506.81x = 666,692.33 × 144,986.85
  4. Step 4: Simplify right side
    444,506.81x = 96,661,620,120.93
  5. Step 5: Solve for x
    x = 96,661,620,120.93/444,506.81
  6. Step 6: Final answer
    x = 217,458.13

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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.