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Finding the Fourth Proportional to 274,352.89, 411,568.76 and 84,828.04

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Solution

The fourth proportional to 274,352.89, 411,568.76 and 84,828.04 is: 127,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,352.89 : 411,568.76 = 84,828.04 : x
  2. Step 2: Convert to fraction form
    274,352.89/411,568.76 = 84,828.04/x
  3. Step 3: Cross multiply
    274,352.89x = 411,568.76 × 84,828.04
  4. Step 4: Simplify right side
    274,352.89x = 34,912,571,236.03
  5. Step 5: Solve for x
    x = 34,912,571,236.03/274,352.89
  6. Step 6: Final answer
    x = 127,254.25

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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.