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Finding the Fourth Proportional to 262,608.54, 393,879.97 and 73,083.12

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Solution

The fourth proportional to 262,608.54, 393,879.97 and 73,083.12 is: 109,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,608.54 : 393,879.97 = 73,083.12 : x
  2. Step 2: Convert to fraction form
    262,608.54/393,879.97 = 73,083.12/x
  3. Step 3: Cross multiply
    262,608.54x = 393,879.97 × 73,083.12
  4. Step 4: Simplify right side
    262,608.54x = 28,785,977,113.11
  5. Step 5: Solve for x
    x = 28,785,977,113.11/262,608.54
  6. Step 6: Final answer
    x = 109,615.54

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1.5x scale

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.