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Finding the Fourth Proportional to 444,111.20, 666,166.80 and 308,808.80

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Solution

The fourth proportional to 444,111.20, 666,166.80 and 308,808.80 is: 463,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,111.20 : 666,166.80 = 308,808.80 : x
  2. Step 2: Convert to fraction form
    444,111.20/666,166.80 = 308,808.80/x
  3. Step 3: Cross multiply
    444,111.20x = 666,166.80 × 308,808.80
  4. Step 4: Simplify right side
    444,111.20x = 205,718,170,107.84
  5. Step 5: Solve for x
    x = 205,718,170,107.84/444,111.20
  6. Step 6: Final answer
    x = 463,213.20

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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.