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Finding the Fourth Proportional to 504.24, 755.88 and 162

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Solution

The fourth proportional to 504.24, 755.88 and 162 is: 242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.24 : 755.88 = 162 : x
  2. Step 2: Convert to fraction form
    504.24/755.88 = 162/x
  3. Step 3: Cross multiply
    504.24x = 755.88 × 162
  4. Step 4: Simplify right side
    504.24x = 122,452.56
  5. Step 5: Solve for x
    x = 122,452.56/504.24
  6. Step 6: Final answer
    x = 242.85

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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.