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Finding the Fourth Proportional to 396,732.46, 595,186.16 and 130,482.22

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Solution

The fourth proportional to 396,732.46, 595,186.16 and 130,482.22 is: 195,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,732.46 : 595,186.16 = 130,482.22 : x
  2. Step 2: Convert to fraction form
    396,732.46/595,186.16 = 130,482.22/x
  3. Step 3: Cross multiply
    396,732.46x = 595,186.16 × 130,482.22
  4. Step 4: Simplify right side
    396,732.46x = 77,661,211,470.08
  5. Step 5: Solve for x
    x = 77,661,211,470.08/396,732.46
  6. Step 6: Final answer
    x = 195,752.10

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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.