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Finding the Fourth Proportional to 293.82, 405.45 and 175.86

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Solution

The fourth proportional to 293.82, 405.45 and 175.86 is: 242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.82 : 405.45 = 175.86 : x
  2. Step 2: Convert to fraction form
    293.82/405.45 = 175.86/x
  3. Step 3: Cross multiply
    293.82x = 405.45 × 175.86
  4. Step 4: Simplify right side
    293.82x = 71,302.44
  5. Step 5: Solve for x
    x = 71,302.44/293.82
  6. Step 6: Final answer
    x = 242.67

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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.