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Finding the Fourth Proportional to 332,589.56, 458,974.02 and 189,349.60

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Solution

The fourth proportional to 332,589.56, 458,974.02 and 189,349.60 is: 261,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,589.56 : 458,974.02 = 189,349.60 : x
  2. Step 2: Convert to fraction form
    332,589.56/458,974.02 = 189,349.60/x
  3. Step 3: Cross multiply
    332,589.56x = 458,974.02 × 189,349.60
  4. Step 4: Simplify right side
    332,589.56x = 86,906,543,855.77
  5. Step 5: Solve for x
    x = 86,906,543,855.77/332,589.56
  6. Step 6: Final answer
    x = 261,302.69

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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.