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Finding the Fourth Proportional to 265.74, 366.53 and 178.44

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Solution

The fourth proportional to 265.74, 366.53 and 178.44 is: 246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.74 : 366.53 = 178.44 : x
  2. Step 2: Convert to fraction form
    265.74/366.53 = 178.44/x
  3. Step 3: Cross multiply
    265.74x = 366.53 × 178.44
  4. Step 4: Simplify right side
    265.74x = 65,402.72
  5. Step 5: Solve for x
    x = 65,402.72/265.74
  6. Step 6: Final answer
    x = 246.12

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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.