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Finding the Fourth Proportional to 396,969.33, 595,476.82 and 112,637.64

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Solution

The fourth proportional to 396,969.33, 595,476.82 and 112,637.64 is: 168,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,969.33 : 595,476.82 = 112,637.64 : x
  2. Step 2: Convert to fraction form
    396,969.33/595,476.82 = 112,637.64/x
  3. Step 3: Cross multiply
    396,969.33x = 595,476.82 × 112,637.64
  4. Step 4: Simplify right side
    396,969.33x = 67,073,103,679.50
  5. Step 5: Solve for x
    x = 67,073,103,679.50/396,969.33
  6. Step 6: Final answer
    x = 168,962.94

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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.