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Finding the Fourth Proportional to 339.18, 468.06 and 183.93

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Solution

The fourth proportional to 339.18, 468.06 and 183.93 is: 253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.18 : 468.06 = 183.93 : x
  2. Step 2: Convert to fraction form
    339.18/468.06 = 183.93/x
  3. Step 3: Cross multiply
    339.18x = 468.06 × 183.93
  4. Step 4: Simplify right side
    339.18x = 86,087.94
  5. Step 5: Solve for x
    x = 86,087.94/339.18
  6. Step 6: Final answer
    x = 253.82

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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.