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Finding the Fourth Proportional to 396,554.87, 594,706.35 and 130,253.40

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Solution

The fourth proportional to 396,554.87, 594,706.35 and 130,253.40 is: 195,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,554.87 : 594,706.35 = 130,253.40 : x
  2. Step 2: Convert to fraction form
    396,554.87/594,706.35 = 130,253.40/x
  3. Step 3: Cross multiply
    396,554.87x = 594,706.35 × 130,253.40
  4. Step 4: Simplify right side
    396,554.87x = 77,462,524,577.54
  5. Step 5: Solve for x
    x = 77,462,524,577.54/396,554.87
  6. Step 6: Final answer
    x = 195,338.73

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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.