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Finding the Fourth Proportional to 468.99, 702.85 and 273.88

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Solution

The fourth proportional to 468.99, 702.85 and 273.88 is: 410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.99 : 702.85 = 273.88 : x
  2. Step 2: Convert to fraction form
    468.99/702.85 = 273.88/x
  3. Step 3: Cross multiply
    468.99x = 702.85 × 273.88
  4. Step 4: Simplify right side
    468.99x = 192,496.56
  5. Step 5: Solve for x
    x = 192,496.56/468.99
  6. Step 6: Final answer
    x = 410.45

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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.