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Finding the Fourth Proportional to 472.25, 651.68 and 262.41

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Solution

The fourth proportional to 472.25, 651.68 and 262.41 is: 362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.25 : 651.68 = 262.41 : x
  2. Step 2: Convert to fraction form
    472.25/651.68 = 262.41/x
  3. Step 3: Cross multiply
    472.25x = 651.68 × 262.41
  4. Step 4: Simplify right side
    472.25x = 171,008.71
  5. Step 5: Solve for x
    x = 171,008.71/472.25
  6. Step 6: Final answer
    x = 362.12

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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.