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Finding the Fourth Proportional to 444,109.20, 666,163.80 and 308,806.80

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Solution

The fourth proportional to 444,109.20, 666,163.80 and 308,806.80 is: 463,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,109.20 : 666,163.80 = 308,806.80 : x
  2. Step 2: Convert to fraction form
    444,109.20/666,163.80 = 308,806.80/x
  3. Step 3: Cross multiply
    444,109.20x = 666,163.80 × 308,806.80
  4. Step 4: Simplify right side
    444,109.20x = 205,715,911,353.84
  5. Step 5: Solve for x
    x = 205,715,911,353.84/444,109.20
  6. Step 6: Final answer
    x = 463,210.20

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1.5x scale

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.