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Finding the Fourth Proportional to 262,935.59, 394,091.93 and 120,660.94

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Solution

The fourth proportional to 262,935.59, 394,091.93 and 120,660.94 is: 180,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,935.59 : 394,091.93 = 120,660.94 : x
  2. Step 2: Convert to fraction form
    262,935.59/394,091.93 = 120,660.94/x
  3. Step 3: Cross multiply
    262,935.59x = 394,091.93 × 120,660.94
  4. Step 4: Simplify right side
    262,935.59x = 47,551,503,514.48
  5. Step 5: Solve for x
    x = 47,551,503,514.48/262,935.59
  6. Step 6: Final answer
    x = 180,848.48

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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.