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Finding the Fourth Proportional to 474.34, 654.61 and 264.52

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Solution

The fourth proportional to 474.34, 654.61 and 264.52 is: 365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.34 : 654.61 = 264.52 : x
  2. Step 2: Convert to fraction form
    474.34/654.61 = 264.52/x
  3. Step 3: Cross multiply
    474.34x = 654.61 × 264.52
  4. Step 4: Simplify right side
    474.34x = 173,157.44
  5. Step 5: Solve for x
    x = 173,157.44/474.34
  6. Step 6: Final answer
    x = 365.05

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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.