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Finding the Fourth Proportional to 443,512.50, 612,047.49 and 239,563.41

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Solution

The fourth proportional to 443,512.50, 612,047.49 and 239,563.41 is: 330,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,512.50 : 612,047.49 = 239,563.41 : x
  2. Step 2: Convert to fraction form
    443,512.50/612,047.49 = 239,563.41/x
  3. Step 3: Cross multiply
    443,512.50x = 612,047.49 × 239,563.41
  4. Step 4: Simplify right side
    443,512.50x = 146,624,183,786.34
  5. Step 5: Solve for x
    x = 146,624,183,786.34/443,512.50
  6. Step 6: Final answer
    x = 330,597.64

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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.