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Finding the Fourth Proportional to 474.43, 654.76 and 264.65

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Solution

The fourth proportional to 474.43, 654.76 and 264.65 is: 365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.43 : 654.76 = 264.65 : x
  2. Step 2: Convert to fraction form
    474.43/654.76 = 264.65/x
  3. Step 3: Cross multiply
    474.43x = 654.76 × 264.65
  4. Step 4: Simplify right side
    474.43x = 173,282.23
  5. Step 5: Solve for x
    x = 173,282.23/474.43
  6. Step 6: Final answer
    x = 365.24

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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.