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Finding the Fourth Proportional to 468.65, 702.75 and 160.43

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Solution

The fourth proportional to 468.65, 702.75 and 160.43 is: 240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.65 : 702.75 = 160.43 : x
  2. Step 2: Convert to fraction form
    468.65/702.75 = 160.43/x
  3. Step 3: Cross multiply
    468.65x = 702.75 × 160.43
  4. Step 4: Simplify right side
    468.65x = 112,739.27
  5. Step 5: Solve for x
    x = 112,739.27/468.65
  6. Step 6: Final answer
    x = 240.56

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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.