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Finding the Fourth Proportional to 484.29, 668.33 and 263.24

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Solution

The fourth proportional to 484.29, 668.33 and 263.24 is: 363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.29 : 668.33 = 263.24 : x
  2. Step 2: Convert to fraction form
    484.29/668.33 = 263.24/x
  3. Step 3: Cross multiply
    484.29x = 668.33 × 263.24
  4. Step 4: Simplify right side
    484.29x = 175,931.19
  5. Step 5: Solve for x
    x = 175,931.19/484.29
  6. Step 6: Final answer
    x = 363.28

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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.