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Finding the Fourth Proportional to 472.46, 651.92 and 262.60

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Solution

The fourth proportional to 472.46, 651.92 and 262.60 is: 362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.46 : 651.92 = 262.60 : x
  2. Step 2: Convert to fraction form
    472.46/651.92 = 262.60/x
  3. Step 3: Cross multiply
    472.46x = 651.92 × 262.60
  4. Step 4: Simplify right side
    472.46x = 171,194.19
  5. Step 5: Solve for x
    x = 171,194.19/472.46
  6. Step 6: Final answer
    x = 362.35

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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.