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Finding the Fourth Proportional to 444,556.75, 666,863.78 and 156,333.03

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Solution

The fourth proportional to 444,556.75, 666,863.78 and 156,333.03 is: 234,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,556.75 : 666,863.78 = 156,333.03 : x
  2. Step 2: Convert to fraction form
    444,556.75/666,863.78 = 156,333.03/x
  3. Step 3: Cross multiply
    444,556.75x = 666,863.78 × 156,333.03
  4. Step 4: Simplify right side
    444,556.75x = 104,252,835,461.30
  5. Step 5: Solve for x
    x = 104,252,835,461.30/444,556.75
  6. Step 6: Final answer
    x = 234,509.62

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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.