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Finding the Fourth Proportional to 482.68, 662.33 and 474.04

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Solution

The fourth proportional to 482.68, 662.33 and 474.04 is: 650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.68 : 662.33 = 474.04 : x
  2. Step 2: Convert to fraction form
    482.68/662.33 = 474.04/x
  3. Step 3: Cross multiply
    482.68x = 662.33 × 474.04
  4. Step 4: Simplify right side
    482.68x = 313,970.91
  5. Step 5: Solve for x
    x = 313,970.91/482.68
  6. Step 6: Final answer
    x = 650.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.