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Finding the Fourth Proportional to 334.77, 462 and 251.71

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Solution

The fourth proportional to 334.77, 462 and 251.71 is: 347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.77 : 462 = 251.71 : x
  2. Step 2: Convert to fraction form
    334.77/462 = 251.71/x
  3. Step 3: Cross multiply
    334.77x = 462 × 251.71
  4. Step 4: Simplify right side
    334.77x = 116,290.02
  5. Step 5: Solve for x
    x = 116,290.02/334.77
  6. Step 6: Final answer
    x = 347.37

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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.