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Finding the Fourth Proportional to 339.54, 467.55 and 265.70

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Solution

The fourth proportional to 339.54, 467.55 and 265.70 is: 365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.54 : 467.55 = 265.70 : x
  2. Step 2: Convert to fraction form
    339.54/467.55 = 265.70/x
  3. Step 3: Cross multiply
    339.54x = 467.55 × 265.70
  4. Step 4: Simplify right side
    339.54x = 124,225.70
  5. Step 5: Solve for x
    x = 124,225.70/339.54
  6. Step 6: Final answer
    x = 365.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.