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Finding the Fourth Proportional to 468.62, 701.98 and 224.40

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Solution

The fourth proportional to 468.62, 701.98 and 224.40 is: 336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.62 : 701.98 = 224.40 : x
  2. Step 2: Convert to fraction form
    468.62/701.98 = 224.40/x
  3. Step 3: Cross multiply
    468.62x = 701.98 × 224.40
  4. Step 4: Simplify right side
    468.62x = 157,523.75
  5. Step 5: Solve for x
    x = 157,523.75/468.62
  6. Step 6: Final answer
    x = 336.15

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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.