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Finding the Fourth Proportional to 396,617.93, 594,800.73 and 130,317.06

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Solution

The fourth proportional to 396,617.93, 594,800.73 and 130,317.06 is: 195,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,617.93 : 594,800.73 = 130,317.06 : x
  2. Step 2: Convert to fraction form
    396,617.93/594,800.73 = 130,317.06/x
  3. Step 3: Cross multiply
    396,617.93x = 594,800.73 × 130,317.06
  4. Step 4: Simplify right side
    396,617.93x = 77,512,682,419.45
  5. Step 5: Solve for x
    x = 77,512,682,419.45/396,617.93
  6. Step 6: Final answer
    x = 195,434.14

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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.