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Finding the Fourth Proportional to 494,652.48, 741,991.50 and 134,826.30

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Solution

The fourth proportional to 494,652.48, 741,991.50 and 134,826.30 is: 202,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,652.48 : 741,991.50 = 134,826.30 : x
  2. Step 2: Convert to fraction form
    494,652.48/741,991.50 = 134,826.30/x
  3. Step 3: Cross multiply
    494,652.48x = 741,991.50 × 134,826.30
  4. Step 4: Simplify right side
    494,652.48x = 100,039,968,576.45
  5. Step 5: Solve for x
    x = 100,039,968,576.45/494,652.48
  6. Step 6: Final answer
    x = 202,242.93

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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.