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Finding the Fourth Proportional to 468.71, 702.97 and 176.20

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Solution

The fourth proportional to 468.71, 702.97 and 176.20 is: 264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.71 : 702.97 = 176.20 : x
  2. Step 2: Convert to fraction form
    468.71/702.97 = 176.20/x
  3. Step 3: Cross multiply
    468.71x = 702.97 × 176.20
  4. Step 4: Simplify right side
    468.71x = 123,865.57
  5. Step 5: Solve for x
    x = 123,865.57/468.71
  6. Step 6: Final answer
    x = 264.27

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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.