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Finding the Fourth Proportional to 468.63, 702.16 and 331.04

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Solution

The fourth proportional to 468.63, 702.16 and 331.04 is: 496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.63 : 702.16 = 331.04 : x
  2. Step 2: Convert to fraction form
    468.63/702.16 = 331.04/x
  3. Step 3: Cross multiply
    468.63x = 702.16 × 331.04
  4. Step 4: Simplify right side
    468.63x = 232,443.97
  5. Step 5: Solve for x
    x = 232,443.97/468.63
  6. Step 6: Final answer
    x = 496.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.