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Finding the Fourth Proportional to 504.44, 696.22 and 379.92

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Solution

The fourth proportional to 504.44, 696.22 and 379.92 is: 524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.44 : 696.22 = 379.92 : x
  2. Step 2: Convert to fraction form
    504.44/696.22 = 379.92/x
  3. Step 3: Cross multiply
    504.44x = 696.22 × 379.92
  4. Step 4: Simplify right side
    504.44x = 264,507.90
  5. Step 5: Solve for x
    x = 264,507.90/504.44
  6. Step 6: Final answer
    x = 524.36

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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.