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Finding the Fourth Proportional to 482.84, 665.80 and 335.16

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Solution

The fourth proportional to 482.84, 665.80 and 335.16 is: 462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.84 : 665.80 = 335.16 : x
  2. Step 2: Convert to fraction form
    482.84/665.80 = 335.16/x
  3. Step 3: Cross multiply
    482.84x = 665.80 × 335.16
  4. Step 4: Simplify right side
    482.84x = 223,149.53
  5. Step 5: Solve for x
    x = 223,149.53/482.84
  6. Step 6: Final answer
    x = 462.16

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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.