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Finding the Fourth Proportional to 468.70, 702.91 and 237.86

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Solution

The fourth proportional to 468.70, 702.91 and 237.86 is: 356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.70 : 702.91 = 237.86 : x
  2. Step 2: Convert to fraction form
    468.70/702.91 = 237.86/x
  3. Step 3: Cross multiply
    468.70x = 702.91 × 237.86
  4. Step 4: Simplify right side
    468.70x = 167,194.17
  5. Step 5: Solve for x
    x = 167,194.17/468.70
  6. Step 6: Final answer
    x = 356.72

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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.