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Finding the Fourth Proportional to 516.03, 772.48 and 333.06

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Solution

The fourth proportional to 516.03, 772.48 and 333.06 is: 498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.03 : 772.48 = 333.06 : x
  2. Step 2: Convert to fraction form
    516.03/772.48 = 333.06/x
  3. Step 3: Cross multiply
    516.03x = 772.48 × 333.06
  4. Step 4: Simplify right side
    516.03x = 257,282.19
  5. Step 5: Solve for x
    x = 257,282.19/516.03
  6. Step 6: Final answer
    x = 498.58

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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.