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Finding the Fourth Proportional to 504.56, 756.38 and 196.22

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Solution

The fourth proportional to 504.56, 756.38 and 196.22 is: 294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.56 : 756.38 = 196.22 : x
  2. Step 2: Convert to fraction form
    504.56/756.38 = 196.22/x
  3. Step 3: Cross multiply
    504.56x = 756.38 × 196.22
  4. Step 4: Simplify right side
    504.56x = 148,419.27
  5. Step 5: Solve for x
    x = 148,419.27/504.56
  6. Step 6: Final answer
    x = 294.15

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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.