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Finding the Fourth Proportional to 263,383.67, 363,471.15 and 154,465.80

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Solution

The fourth proportional to 263,383.67, 363,471.15 and 154,465.80 is: 213,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,383.67 : 363,471.15 = 154,465.80 : x
  2. Step 2: Convert to fraction form
    263,383.67/363,471.15 = 154,465.80/x
  3. Step 3: Cross multiply
    263,383.67x = 363,471.15 × 154,465.80
  4. Step 4: Simplify right side
    263,383.67x = 56,143,862,353.56
  5. Step 5: Solve for x
    x = 56,143,862,353.56/263,383.67
  6. Step 6: Final answer
    x = 213,163.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.