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Finding the Fourth Proportional to 468.58, 702.87 and 160.47

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Solution

The fourth proportional to 468.58, 702.87 and 160.47 is: 240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.58 : 702.87 = 160.47 : x
  2. Step 2: Convert to fraction form
    468.58/702.87 = 160.47/x
  3. Step 3: Cross multiply
    468.58x = 702.87 × 160.47
  4. Step 4: Simplify right side
    468.58x = 112,789.55
  5. Step 5: Solve for x
    x = 112,789.55/468.58
  6. Step 6: Final answer
    x = 240.71

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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.