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Finding the Fourth Proportional to 460.53, 635.50 and 274.04

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Solution

The fourth proportional to 460.53, 635.50 and 274.04 is: 378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.53 : 635.50 = 274.04 : x
  2. Step 2: Convert to fraction form
    460.53/635.50 = 274.04/x
  3. Step 3: Cross multiply
    460.53x = 635.50 × 274.04
  4. Step 4: Simplify right side
    460.53x = 174,152.42
  5. Step 5: Solve for x
    x = 174,152.42/460.53
  6. Step 6: Final answer
    x = 378.16

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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.