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Finding the Fourth Proportional to 325,801.56, 449,605.56 and 198,477.15

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Solution

The fourth proportional to 325,801.56, 449,605.56 and 198,477.15 is: 273,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,801.56 : 449,605.56 = 198,477.15 : x
  2. Step 2: Convert to fraction form
    325,801.56/449,605.56 = 198,477.15/x
  3. Step 3: Cross multiply
    325,801.56x = 449,605.56 × 198,477.15
  4. Step 4: Simplify right side
    325,801.56x = 89,236,430,172.95
  5. Step 5: Solve for x
    x = 89,236,430,172.95/325,801.56
  6. Step 6: Final answer
    x = 273,898.11

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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.