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Finding the Fourth Proportional to 333.65, 499.60 and 235.62

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Solution

The fourth proportional to 333.65, 499.60 and 235.62 is: 352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.65 : 499.60 = 235.62 : x
  2. Step 2: Convert to fraction form
    333.65/499.60 = 235.62/x
  3. Step 3: Cross multiply
    333.65x = 499.60 × 235.62
  4. Step 4: Simplify right side
    333.65x = 117,715.16
  5. Step 5: Solve for x
    x = 117,715.16/333.65
  6. Step 6: Final answer
    x = 352.81

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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.