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Finding the Fourth Proportional to 293.22, 438.73 and 175.66

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Solution

The fourth proportional to 293.22, 438.73 and 175.66 is: 262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.22 : 438.73 = 175.66 : x
  2. Step 2: Convert to fraction form
    293.22/438.73 = 175.66/x
  3. Step 3: Cross multiply
    293.22x = 438.73 × 175.66
  4. Step 4: Simplify right side
    293.22x = 77,065.41
  5. Step 5: Solve for x
    x = 77,065.41/293.22
  6. Step 6: Final answer
    x = 262.82

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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.