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Finding the Fourth Proportional to 334.42, 460.53 and 230.74

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Solution

The fourth proportional to 334.42, 460.53 and 230.74 is: 317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.42 : 460.53 = 230.74 : x
  2. Step 2: Convert to fraction form
    334.42/460.53 = 230.74/x
  3. Step 3: Cross multiply
    334.42x = 460.53 × 230.74
  4. Step 4: Simplify right side
    334.42x = 106,262.69
  5. Step 5: Solve for x
    x = 106,262.69/334.42
  6. Step 6: Final answer
    x = 317.75

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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.