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Finding the Fourth Proportional to 482.92, 665.70 and 335.56

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Solution

The fourth proportional to 482.92, 665.70 and 335.56 is: 462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.92 : 665.70 = 335.56 : x
  2. Step 2: Convert to fraction form
    482.92/665.70 = 335.56/x
  3. Step 3: Cross multiply
    482.92x = 665.70 × 335.56
  4. Step 4: Simplify right side
    482.92x = 223,382.29
  5. Step 5: Solve for x
    x = 223,382.29/482.92
  6. Step 6: Final answer
    x = 462.57

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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.