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Finding the Fourth Proportional to 396,951.73, 596,608.64 and 186,737.29

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Solution

The fourth proportional to 396,951.73, 596,608.64 and 186,737.29 is: 280,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,951.73 : 596,608.64 = 186,737.29 : x
  2. Step 2: Convert to fraction form
    396,951.73/596,608.64 = 186,737.29/x
  3. Step 3: Cross multiply
    396,951.73x = 596,608.64 × 186,737.29
  4. Step 4: Simplify right side
    396,951.73x = 111,409,080,624.19
  5. Step 5: Solve for x
    x = 111,409,080,624.19/396,951.73
  6. Step 6: Final answer
    x = 280,661.53

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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.