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Finding the Fourth Proportional to 396,111.60, 594,342.36 and 159,915.60

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Solution

The fourth proportional to 396,111.60, 594,342.36 and 159,915.60 is: 239,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,111.60 : 594,342.36 = 159,915.60 : x
  2. Step 2: Convert to fraction form
    396,111.60/594,342.36 = 159,915.60/x
  3. Step 3: Cross multiply
    396,111.60x = 594,342.36 × 159,915.60
  4. Step 4: Simplify right side
    396,111.60x = 95,044,615,104.82
  5. Step 5: Solve for x
    x = 95,044,615,104.82/396,111.60
  6. Step 6: Final answer
    x = 239,944.03

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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.