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Finding the Fourth Proportional to 472.84, 708.72 and 241.92

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Solution

The fourth proportional to 472.84, 708.72 and 241.92 is: 362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.84 : 708.72 = 241.92 : x
  2. Step 2: Convert to fraction form
    472.84/708.72 = 241.92/x
  3. Step 3: Cross multiply
    472.84x = 708.72 × 241.92
  4. Step 4: Simplify right side
    472.84x = 171,453.54
  5. Step 5: Solve for x
    x = 171,453.54/472.84
  6. Step 6: Final answer
    x = 362.60

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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.