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Finding the Fourth Proportional to 482.92, 666.18 and 366.28

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Solution

The fourth proportional to 482.92, 666.18 and 366.28 is: 505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.92 : 666.18 = 366.28 : x
  2. Step 2: Convert to fraction form
    482.92/666.18 = 366.28/x
  3. Step 3: Cross multiply
    482.92x = 666.18 × 366.28
  4. Step 4: Simplify right side
    482.92x = 244,008.41
  5. Step 5: Solve for x
    x = 244,008.41/482.92
  6. Step 6: Final answer
    x = 505.28

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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.