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Finding the Fourth Proportional to 339.55, 468.59 and 184.30

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Solution

The fourth proportional to 339.55, 468.59 and 184.30 is: 254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.55 : 468.59 = 184.30 : x
  2. Step 2: Convert to fraction form
    339.55/468.59 = 184.30/x
  3. Step 3: Cross multiply
    339.55x = 468.59 × 184.30
  4. Step 4: Simplify right side
    339.55x = 86,362.58
  5. Step 5: Solve for x
    x = 86,362.58/339.55
  6. Step 6: Final answer
    x = 254.34

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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.