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Finding the Fourth Proportional to 468.60, 702.72 and 194.52

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Solution

The fourth proportional to 468.60, 702.72 and 194.52 is: 291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.60 : 702.72 = 194.52 : x
  2. Step 2: Convert to fraction form
    468.60/702.72 = 194.52/x
  3. Step 3: Cross multiply
    468.60x = 702.72 × 194.52
  4. Step 4: Simplify right side
    468.60x = 136,693.09
  5. Step 5: Solve for x
    x = 136,693.09/468.60
  6. Step 6: Final answer
    x = 291.71

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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.