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Finding the Fourth Proportional to 299,334.80, 449,002.20 and 174,918.80

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Solution

The fourth proportional to 299,334.80, 449,002.20 and 174,918.80 is: 262,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,334.80 : 449,002.20 = 174,918.80 : x
  2. Step 2: Convert to fraction form
    299,334.80/449,002.20 = 174,918.80/x
  3. Step 3: Cross multiply
    299,334.80x = 449,002.20 × 174,918.80
  4. Step 4: Simplify right side
    299,334.80x = 78,538,926,021.36
  5. Step 5: Solve for x
    x = 78,538,926,021.36/299,334.80
  6. Step 6: Final answer
    x = 262,378.20

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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.