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Finding the Fourth Proportional to 474.53, 655.25 and 334.94

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Solution

The fourth proportional to 474.53, 655.25 and 334.94 is: 462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.53 : 655.25 = 334.94 : x
  2. Step 2: Convert to fraction form
    474.53/655.25 = 334.94/x
  3. Step 3: Cross multiply
    474.53x = 655.25 × 334.94
  4. Step 4: Simplify right side
    474.53x = 219,464.48
  5. Step 5: Solve for x
    x = 219,464.48/474.53
  6. Step 6: Final answer
    x = 462.49

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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.