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Finding the Fourth Proportional to 336.14, 503.85 and 130.65

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Solution

The fourth proportional to 336.14, 503.85 and 130.65 is: 195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.14 : 503.85 = 130.65 : x
  2. Step 2: Convert to fraction form
    336.14/503.85 = 130.65/x
  3. Step 3: Cross multiply
    336.14x = 503.85 × 130.65
  4. Step 4: Simplify right side
    336.14x = 65,828.00
  5. Step 5: Solve for x
    x = 65,828.00/336.14
  6. Step 6: Final answer
    x = 195.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.