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Finding the Fourth Proportional to 396,340.83, 594,573.24 and 130,040.79

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Solution

The fourth proportional to 396,340.83, 594,573.24 and 130,040.79 is: 195,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,340.83 : 594,573.24 = 130,040.79 : x
  2. Step 2: Convert to fraction form
    396,340.83/594,573.24 = 130,040.79/x
  3. Step 3: Cross multiply
    396,340.83x = 594,573.24 × 130,040.79
  4. Step 4: Simplify right side
    396,340.83x = 77,318,773,842.46
  5. Step 5: Solve for x
    x = 77,318,773,842.46/396,340.83
  6. Step 6: Final answer
    x = 195,081.53

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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.