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Finding the Fourth Proportional to 333.39, 460.23 and 259.65

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Solution

The fourth proportional to 333.39, 460.23 and 259.65 is: 358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.39 : 460.23 = 259.65 : x
  2. Step 2: Convert to fraction form
    333.39/460.23 = 259.65/x
  3. Step 3: Cross multiply
    333.39x = 460.23 × 259.65
  4. Step 4: Simplify right side
    333.39x = 119,498.72
  5. Step 5: Solve for x
    x = 119,498.72/333.39
  6. Step 6: Final answer
    x = 358.44

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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.