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Finding the Fourth Proportional to 468.87, 704 and 263.85

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Solution

The fourth proportional to 468.87, 704 and 263.85 is: 396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.87 : 704 = 263.85 : x
  2. Step 2: Convert to fraction form
    468.87/704 = 263.85/x
  3. Step 3: Cross multiply
    468.87x = 704 × 263.85
  4. Step 4: Simplify right side
    468.87x = 185,750.40
  5. Step 5: Solve for x
    x = 185,750.40/468.87
  6. Step 6: Final answer
    x = 396.17

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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.