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Finding the Fourth Proportional to 336.08, 499.78 and 332.48

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Solution

The fourth proportional to 336.08, 499.78 and 332.48 is: 494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.08 : 499.78 = 332.48 : x
  2. Step 2: Convert to fraction form
    336.08/499.78 = 332.48/x
  3. Step 3: Cross multiply
    336.08x = 499.78 × 332.48
  4. Step 4: Simplify right side
    336.08x = 166,166.85
  5. Step 5: Solve for x
    x = 166,166.85/336.08
  6. Step 6: Final answer
    x = 494.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.