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Finding the Fourth Proportional to 462.47, 693.74 and 333.07

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Solution

The fourth proportional to 462.47, 693.74 and 333.07 is: 499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.47 : 693.74 = 333.07 : x
  2. Step 2: Convert to fraction form
    462.47/693.74 = 333.07/x
  3. Step 3: Cross multiply
    462.47x = 693.74 × 333.07
  4. Step 4: Simplify right side
    462.47x = 231,063.98
  5. Step 5: Solve for x
    x = 231,063.98/462.47
  6. Step 6: Final answer
    x = 499.63

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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.