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Finding the Fourth Proportional to 344.16, 472.14 and 336.60

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Solution

The fourth proportional to 344.16, 472.14 and 336.60 is: 461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.16 : 472.14 = 336.60 : x
  2. Step 2: Convert to fraction form
    344.16/472.14 = 336.60/x
  3. Step 3: Cross multiply
    344.16x = 472.14 × 336.60
  4. Step 4: Simplify right side
    344.16x = 158,922.32
  5. Step 5: Solve for x
    x = 158,922.32/344.16
  6. Step 6: Final answer
    x = 461.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.