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Finding the Fourth Proportional to 338.26, 506.58 and 332.32

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Solution

The fourth proportional to 338.26, 506.58 and 332.32 is: 497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.26 : 506.58 = 332.32 : x
  2. Step 2: Convert to fraction form
    338.26/506.58 = 332.32/x
  3. Step 3: Cross multiply
    338.26x = 506.58 × 332.32
  4. Step 4: Simplify right side
    338.26x = 168,346.67
  5. Step 5: Solve for x
    x = 168,346.67/338.26
  6. Step 6: Final answer
    x = 497.68

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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.