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Finding the Fourth Proportional to 460.56, 635.57 and 250.74

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Solution

The fourth proportional to 460.56, 635.57 and 250.74 is: 346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.56 : 635.57 = 250.74 : x
  2. Step 2: Convert to fraction form
    460.56/635.57 = 250.74/x
  3. Step 3: Cross multiply
    460.56x = 635.57 × 250.74
  4. Step 4: Simplify right side
    460.56x = 159,361.57
  5. Step 5: Solve for x
    x = 159,361.57/460.56
  6. Step 6: Final answer
    x = 346.02

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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.