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Finding the Fourth Proportional to 396,355.58, 594,553.40 and 112,066.56

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Solution

The fourth proportional to 396,355.58, 594,553.40 and 112,066.56 is: 168,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,355.58 : 594,553.40 = 112,066.56 : x
  2. Step 2: Convert to fraction form
    396,355.58/594,553.40 = 112,066.56/x
  3. Step 3: Cross multiply
    396,355.58x = 594,553.40 × 112,066.56
  4. Step 4: Simplify right side
    396,355.58x = 66,629,554,274.30
  5. Step 5: Solve for x
    x = 66,629,554,274.30/396,355.58
  6. Step 6: Final answer
    x = 168,105.50

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1.5x scale

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.