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Finding the Fourth Proportional to 396,116.10, 594,349.11 and 159,920.10

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Solution

The fourth proportional to 396,116.10, 594,349.11 and 159,920.10 is: 239,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,116.10 : 594,349.11 = 159,920.10 : x
  2. Step 2: Convert to fraction form
    396,116.10/594,349.11 = 159,920.10/x
  3. Step 3: Cross multiply
    396,116.10x = 594,349.11 × 159,920.10
  4. Step 4: Simplify right side
    396,116.10x = 95,048,369,106.11
  5. Step 5: Solve for x
    x = 95,048,369,106.11/396,116.10
  6. Step 6: Final answer
    x = 239,950.78

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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.