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Finding the Fourth Proportional to 449,969.60, 675,056.80 and 262,884.80

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Solution

The fourth proportional to 449,969.60, 675,056.80 and 262,884.80 is: 394,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,969.60 : 675,056.80 = 262,884.80 : x
  2. Step 2: Convert to fraction form
    449,969.60/675,056.80 = 262,884.80/x
  3. Step 3: Cross multiply
    449,969.60x = 675,056.80 × 262,884.80
  4. Step 4: Simplify right side
    449,969.60x = 177,462,171,856.64
  5. Step 5: Solve for x
    x = 177,462,171,856.64/449,969.60
  6. Step 6: Final answer
    x = 394,387.02

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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.