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Finding the Fourth Proportional to 472.22, 651.65 and 262.41

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Solution

The fourth proportional to 472.22, 651.65 and 262.41 is: 362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.22 : 651.65 = 262.41 : x
  2. Step 2: Convert to fraction form
    472.22/651.65 = 262.41/x
  3. Step 3: Cross multiply
    472.22x = 651.65 × 262.41
  4. Step 4: Simplify right side
    472.22x = 170,998.16
  5. Step 5: Solve for x
    x = 170,998.16/472.22
  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.