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Finding the Fourth Proportional to 396,604.10, 594,682.59 and 130,293.11

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Solution

The fourth proportional to 396,604.10, 594,682.59 and 130,293.11 is: 195,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,604.10 : 594,682.59 = 130,293.11 : x
  2. Step 2: Convert to fraction form
    396,604.10/594,682.59 = 130,293.11/x
  3. Step 3: Cross multiply
    396,604.10x = 594,682.59 × 130,293.11
  4. Step 4: Simplify right side
    396,604.10x = 77,483,046,089.26
  5. Step 5: Solve for x
    x = 77,483,046,089.26/396,604.10
  6. Step 6: Final answer
    x = 195,366.22

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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.