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Finding the Fourth Proportional to 331,361.56, 496,294.62 and 153,494.92

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Solution

The fourth proportional to 331,361.56, 496,294.62 and 153,494.92 is: 229,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,361.56 : 496,294.62 = 153,494.92 : x
  2. Step 2: Convert to fraction form
    331,361.56/496,294.62 = 153,494.92/x
  3. Step 3: Cross multiply
    331,361.56x = 496,294.62 × 153,494.92
  4. Step 4: Simplify right side
    331,361.56x = 76,178,702,993.33
  5. Step 5: Solve for x
    x = 76,178,702,993.33/331,361.56
  6. Step 6: Final answer
    x = 229,896.02

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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.