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Finding the Fourth Proportional to 474.38, 654.59 and 264.53

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Solution

The fourth proportional to 474.38, 654.59 and 264.53 is: 365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.38 : 654.59 = 264.53 : x
  2. Step 2: Convert to fraction form
    474.38/654.59 = 264.53/x
  3. Step 3: Cross multiply
    474.38x = 654.59 × 264.53
  4. Step 4: Simplify right side
    474.38x = 173,158.31
  5. Step 5: Solve for x
    x = 173,158.31/474.38
  6. Step 6: Final answer
    x = 365.02

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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.