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Finding the Fourth Proportional to 339.57, 468.61 and 184.32

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Solution

The fourth proportional to 339.57, 468.61 and 184.32 is: 254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.57 : 468.61 = 184.32 : x
  2. Step 2: Convert to fraction form
    339.57/468.61 = 184.32/x
  3. Step 3: Cross multiply
    339.57x = 468.61 × 184.32
  4. Step 4: Simplify right side
    339.57x = 86,373.73
  5. Step 5: Solve for x
    x = 86,373.73/339.57
  6. Step 6: Final answer
    x = 254.36

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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.