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Finding the Fourth Proportional to 444,722.54, 666,525.11 and 191,706.89

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Solution

The fourth proportional to 444,722.54, 666,525.11 and 191,706.89 is: 287,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,722.54 : 666,525.11 = 191,706.89 : x
  2. Step 2: Convert to fraction form
    444,722.54/666,525.11 = 191,706.89/x
  3. Step 3: Cross multiply
    444,722.54x = 666,525.11 × 191,706.89
  4. Step 4: Simplify right side
    444,722.54x = 127,777,451,653.85
  5. Step 5: Solve for x
    x = 127,777,451,653.85/444,722.54
  6. Step 6: Final answer
    x = 287,319.49

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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.