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Finding the Fourth Proportional to 396,033.72, 546,492.78 and 226,234.68

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Solution

The fourth proportional to 396,033.72, 546,492.78 and 226,234.68 is: 312,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,033.72 : 546,492.78 = 226,234.68 : x
  2. Step 2: Convert to fraction form
    396,033.72/546,492.78 = 226,234.68/x
  3. Step 3: Cross multiply
    396,033.72x = 546,492.78 × 226,234.68
  4. Step 4: Simplify right side
    396,033.72x = 123,635,619,205.61
  5. Step 5: Solve for x
    x = 123,635,619,205.61/396,033.72
  6. Step 6: Final answer
    x = 312,184.58

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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.