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Finding the Fourth Proportional to 472.49, 651.97 and 262.67

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Solution

The fourth proportional to 472.49, 651.97 and 262.67 is: 362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.49 : 651.97 = 262.67 : x
  2. Step 2: Convert to fraction form
    472.49/651.97 = 262.67/x
  3. Step 3: Cross multiply
    472.49x = 651.97 × 262.67
  4. Step 4: Simplify right side
    472.49x = 171,252.22
  5. Step 5: Solve for x
    x = 171,252.22/472.49
  6. Step 6: Final answer
    x = 362.45

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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.