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Finding the Fourth Proportional to 333.46, 499.16 and 235.74

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Solution

The fourth proportional to 333.46, 499.16 and 235.74 is: 352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.46 : 499.16 = 235.74 : x
  2. Step 2: Convert to fraction form
    333.46/499.16 = 235.74/x
  3. Step 3: Cross multiply
    333.46x = 499.16 × 235.74
  4. Step 4: Simplify right side
    333.46x = 117,671.98
  5. Step 5: Solve for x
    x = 117,671.98/333.46
  6. Step 6: Final answer
    x = 352.88

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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.