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Finding the Fourth Proportional to 396,315.66, 594,348.60 and 130,014.12

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Solution

The fourth proportional to 396,315.66, 594,348.60 and 130,014.12 is: 194,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,315.66 : 594,348.60 = 130,014.12 : x
  2. Step 2: Convert to fraction form
    396,315.66/594,348.60 = 130,014.12/x
  3. Step 3: Cross multiply
    396,315.66x = 594,348.60 × 130,014.12
  4. Step 4: Simplify right side
    396,315.66x = 77,273,710,202.23
  5. Step 5: Solve for x
    x = 77,273,710,202.23/396,315.66
  6. Step 6: Final answer
    x = 194,980.21

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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.