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Finding the Fourth Proportional to 504.26, 696.24 and 338.84

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Solution

The fourth proportional to 504.26, 696.24 and 338.84 is: 467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.26 : 696.24 = 338.84 : x
  2. Step 2: Convert to fraction form
    504.26/696.24 = 338.84/x
  3. Step 3: Cross multiply
    504.26x = 696.24 × 338.84
  4. Step 4: Simplify right side
    504.26x = 235,913.96
  5. Step 5: Solve for x
    x = 235,913.96/504.26
  6. Step 6: Final answer
    x = 467.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.