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Finding the Fourth Proportional to 474.38, 654.67 and 264.58

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Solution

The fourth proportional to 474.38, 654.67 and 264.58 is: 365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.38 : 654.67 = 264.58 : x
  2. Step 2: Convert to fraction form
    474.38/654.67 = 264.58/x
  3. Step 3: Cross multiply
    474.38x = 654.67 × 264.58
  4. Step 4: Simplify right side
    474.38x = 173,211.28
  5. Step 5: Solve for x
    x = 173,211.28/474.38
  6. Step 6: Final answer
    x = 365.13

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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.