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Finding the Fourth Proportional to 333.64, 460.59 and 255.29

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Solution

The fourth proportional to 333.64, 460.59 and 255.29 is: 352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.64 : 460.59 = 255.29 : x
  2. Step 2: Convert to fraction form
    333.64/460.59 = 255.29/x
  3. Step 3: Cross multiply
    333.64x = 460.59 × 255.29
  4. Step 4: Simplify right side
    333.64x = 117,580.76
  5. Step 5: Solve for x
    x = 117,580.76/333.64
  6. Step 6: Final answer
    x = 352.42

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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.