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Finding the Fourth Proportional to 444,573.76, 666,930.09 and 144,984.66

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Solution

The fourth proportional to 444,573.76, 666,930.09 and 144,984.66 is: 217,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,573.76 : 666,930.09 = 144,984.66 : x
  2. Step 2: Convert to fraction form
    444,573.76/666,930.09 = 144,984.66/x
  3. Step 3: Cross multiply
    444,573.76x = 666,930.09 × 144,984.66
  4. Step 4: Simplify right side
    444,573.76x = 96,694,632,342.42
  5. Step 5: Solve for x
    x = 96,694,632,342.42/444,573.76
  6. Step 6: Final answer
    x = 217,499.64

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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.