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Finding the Fourth Proportional to 472.44, 651.96 and 265.44

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Solution

The fourth proportional to 472.44, 651.96 and 265.44 is: 366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.44 : 651.96 = 265.44 : x
  2. Step 2: Convert to fraction form
    472.44/651.96 = 265.44/x
  3. Step 3: Cross multiply
    472.44x = 651.96 × 265.44
  4. Step 4: Simplify right side
    472.44x = 173,056.26
  5. Step 5: Solve for x
    x = 173,056.26/472.44
  6. Step 6: Final answer
    x = 366.30

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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.