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Finding the Fourth Proportional to 484.14, 725.94 and 240.42

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Solution

The fourth proportional to 484.14, 725.94 and 240.42 is: 360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.14 : 725.94 = 240.42 : x
  2. Step 2: Convert to fraction form
    484.14/725.94 = 240.42/x
  3. Step 3: Cross multiply
    484.14x = 725.94 × 240.42
  4. Step 4: Simplify right side
    484.14x = 174,530.49
  5. Step 5: Solve for x
    x = 174,530.49/484.14
  6. Step 6: Final answer
    x = 360.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.