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Finding the Fourth Proportional to 449,842.59, 620,797.11 and 245,889.03

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Solution

The fourth proportional to 449,842.59, 620,797.11 and 245,889.03 is: 339,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,842.59 : 620,797.11 = 245,889.03 : x
  2. Step 2: Convert to fraction form
    449,842.59/620,797.11 = 245,889.03/x
  3. Step 3: Cross multiply
    449,842.59x = 620,797.11 × 245,889.03
  4. Step 4: Simplify right side
    449,842.59x = 152,647,199,204.70
  5. Step 5: Solve for x
    x = 152,647,199,204.70/449,842.59
  6. Step 6: Final answer
    x = 339,334.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.