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Finding the Fourth Proportional to 333.64, 459.92 and 263.57

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Solution

The fourth proportional to 333.64, 459.92 and 263.57 is: 363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.64 : 459.92 = 263.57 : x
  2. Step 2: Convert to fraction form
    333.64/459.92 = 263.57/x
  3. Step 3: Cross multiply
    333.64x = 459.92 × 263.57
  4. Step 4: Simplify right side
    333.64x = 121,219.80
  5. Step 5: Solve for x
    x = 121,219.80/333.64
  6. Step 6: Final answer
    x = 363.33

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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.