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Finding the Fourth Proportional to 444,969.20, 667,526.58 and 145,362.80

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Solution

The fourth proportional to 444,969.20, 667,526.58 and 145,362.80 is: 218,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,969.20 : 667,526.58 = 145,362.80 : x
  2. Step 2: Convert to fraction form
    444,969.20/667,526.58 = 145,362.80/x
  3. Step 3: Cross multiply
    444,969.20x = 667,526.58 × 145,362.80
  4. Step 4: Simplify right side
    444,969.20x = 97,033,532,743.22
  5. Step 5: Solve for x
    x = 97,033,532,743.22/444,969.20
  6. Step 6: Final answer
    x = 218,067.98

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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.