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Finding the Fourth Proportional to 396,680.67, 547,342.34 and 235,586.25

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Solution

The fourth proportional to 396,680.67, 547,342.34 and 235,586.25 is: 325,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,680.67 : 547,342.34 = 235,586.25 : x
  2. Step 2: Convert to fraction form
    396,680.67/547,342.34 = 235,586.25/x
  3. Step 3: Cross multiply
    396,680.67x = 547,342.34 × 235,586.25
  4. Step 4: Simplify right side
    396,680.67x = 128,946,329,346.83
  5. Step 5: Solve for x
    x = 128,946,329,346.83/396,680.67
  6. Step 6: Final answer
    x = 325,063.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.