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Finding the Fourth Proportional to 422,521.87, 633,356.34 and 264,861.04

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Solution

The fourth proportional to 422,521.87, 633,356.34 and 264,861.04 is: 397,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,521.87 : 633,356.34 = 264,861.04 : x
  2. Step 2: Convert to fraction form
    422,521.87/633,356.34 = 264,861.04/x
  3. Step 3: Cross multiply
    422,521.87x = 633,356.34 × 264,861.04
  4. Step 4: Simplify right side
    422,521.87x = 167,751,418,902.99
  5. Step 5: Solve for x
    x = 167,751,418,902.99/422,521.87
  6. Step 6: Final answer
    x = 397,024.23

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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.