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Finding the Fourth Proportional to 339.52, 468.66 and 265.96

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Solution

The fourth proportional to 339.52, 468.66 and 265.96 is: 367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.52 : 468.66 = 265.96 : x
  2. Step 2: Convert to fraction form
    339.52/468.66 = 265.96/x
  3. Step 3: Cross multiply
    339.52x = 468.66 × 265.96
  4. Step 4: Simplify right side
    339.52x = 124,644.81
  5. Step 5: Solve for x
    x = 124,644.81/339.52
  6. Step 6: Final answer
    x = 367.12

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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.