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Finding the Fourth Proportional to 333.60, 459.51 and 235.18

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Solution

The fourth proportional to 333.60, 459.51 and 235.18 is: 323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.60 : 459.51 = 235.18 : x
  2. Step 2: Convert to fraction form
    333.60/459.51 = 235.18/x
  3. Step 3: Cross multiply
    333.60x = 459.51 × 235.18
  4. Step 4: Simplify right side
    333.60x = 108,067.25
  5. Step 5: Solve for x
    x = 108,067.25/333.60
  6. Step 6: Final answer
    x = 323.95

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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.