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Finding the Fourth Proportional to 468.18, 702.29 and 224.60

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Solution

The fourth proportional to 468.18, 702.29 and 224.60 is: 336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.18 : 702.29 = 224.60 : x
  2. Step 2: Convert to fraction form
    468.18/702.29 = 224.60/x
  3. Step 3: Cross multiply
    468.18x = 702.29 × 224.60
  4. Step 4: Simplify right side
    468.18x = 157,731.38
  5. Step 5: Solve for x
    x = 157,731.38/468.18
  6. Step 6: Final answer
    x = 336.90

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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.