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Finding the Fourth Proportional to 468.25, 702.28 and 160.11

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Solution

The fourth proportional to 468.25, 702.28 and 160.11 is: 240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.25 : 702.28 = 160.11 : x
  2. Step 2: Convert to fraction form
    468.25/702.28 = 160.11/x
  3. Step 3: Cross multiply
    468.25x = 702.28 × 160.11
  4. Step 4: Simplify right side
    468.25x = 112,442.05
  5. Step 5: Solve for x
    x = 112,442.05/468.25
  6. Step 6: Final answer
    x = 240.13

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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.