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Finding the Fourth Proportional to 468.63, 702.68 and 160.36

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Solution

The fourth proportional to 468.63, 702.68 and 160.36 is: 240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.63 : 702.68 = 160.36 : x
  2. Step 2: Convert to fraction form
    468.63/702.68 = 160.36/x
  3. Step 3: Cross multiply
    468.63x = 702.68 × 160.36
  4. Step 4: Simplify right side
    468.63x = 112,679.21
  5. Step 5: Solve for x
    x = 112,679.21/468.63
  6. Step 6: Final answer
    x = 240.44

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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.