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Finding the Fourth Proportional to 475.53, 658.08 and 467.43

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Solution

The fourth proportional to 475.53, 658.08 and 467.43 is: 646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.53 : 658.08 = 467.43 : x
  2. Step 2: Convert to fraction form
    475.53/658.08 = 467.43/x
  3. Step 3: Cross multiply
    475.53x = 658.08 × 467.43
  4. Step 4: Simplify right side
    475.53x = 307,606.33
  5. Step 5: Solve for x
    x = 307,606.33/475.53
  6. Step 6: Final answer
    x = 646.87

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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.