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Finding the Fourth Proportional to 504.33, 756.24 and 157.68

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Solution

The fourth proportional to 504.33, 756.24 and 157.68 is: 236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.33 : 756.24 = 157.68 : x
  2. Step 2: Convert to fraction form
    504.33/756.24 = 157.68/x
  3. Step 3: Cross multiply
    504.33x = 756.24 × 157.68
  4. Step 4: Simplify right side
    504.33x = 119,243.33
  5. Step 5: Solve for x
    x = 119,243.33/504.33
  6. Step 6: Final answer
    x = 236.44

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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.