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Finding the Fourth Proportional to 262,755.36, 394,098.48 and 73,228.32

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Solution

The fourth proportional to 262,755.36, 394,098.48 and 73,228.32 is: 109,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,755.36 : 394,098.48 = 73,228.32 : x
  2. Step 2: Convert to fraction form
    262,755.36/394,098.48 = 73,228.32/x
  3. Step 3: Cross multiply
    262,755.36x = 394,098.48 × 73,228.32
  4. Step 4: Simplify right side
    262,755.36x = 28,859,169,604.95
  5. Step 5: Solve for x
    x = 28,859,169,604.95/262,755.36
  6. Step 6: Final answer
    x = 109,832.85

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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.