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Finding the Fourth Proportional to 333.71, 460.45 and 223.04

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Solution

The fourth proportional to 333.71, 460.45 and 223.04 is: 307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.71 : 460.45 = 223.04 : x
  2. Step 2: Convert to fraction form
    333.71/460.45 = 223.04/x
  3. Step 3: Cross multiply
    333.71x = 460.45 × 223.04
  4. Step 4: Simplify right side
    333.71x = 102,698.77
  5. Step 5: Solve for x
    x = 102,698.77/333.71
  6. Step 6: Final answer
    x = 307.75

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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.