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Finding the Fourth Proportional to 603,471.73, 905,207.46 and 154,193.44

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Solution

The fourth proportional to 603,471.73, 905,207.46 and 154,193.44 is: 231,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,471.73 : 905,207.46 = 154,193.44 : x
  2. Step 2: Convert to fraction form
    603,471.73/905,207.46 = 154,193.44/x
  3. Step 3: Cross multiply
    603,471.73x = 905,207.46 × 154,193.44
  4. Step 4: Simplify right side
    603,471.73x = 139,577,052,171.06
  5. Step 5: Solve for x
    x = 139,577,052,171.06/603,471.73
  6. Step 6: Final answer
    x = 231,290.13

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Similar ratio
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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.