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Finding the Fourth Proportional to 396,970.97, 547,802.08 and 224,885.42

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Solution

The fourth proportional to 396,970.97, 547,802.08 and 224,885.42 is: 310,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,970.97 : 547,802.08 = 224,885.42 : x
  2. Step 2: Convert to fraction form
    396,970.97/547,802.08 = 224,885.42/x
  3. Step 3: Cross multiply
    396,970.97x = 547,802.08 × 224,885.42
  4. Step 4: Simplify right side
    396,970.97x = 123,192,700,837.67
  5. Step 5: Solve for x
    x = 123,192,700,837.67/396,970.97
  6. Step 6: Final answer
    x = 310,331.76

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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.