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Finding the Fourth Proportional to 396,960.72, 547,892.40 and 244,130.39

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Solution

The fourth proportional to 396,960.72, 547,892.40 and 244,130.39 is: 336,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,960.72 : 547,892.40 = 244,130.39 : x
  2. Step 2: Convert to fraction form
    396,960.72/547,892.40 = 244,130.39/x
  3. Step 3: Cross multiply
    396,960.72x = 547,892.40 × 244,130.39
  4. Step 4: Simplify right side
    396,960.72x = 133,757,185,290.04
  5. Step 5: Solve for x
    x = 133,757,185,290.04/396,960.72
  6. Step 6: Final answer
    x = 336,953.20

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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.