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Finding the Fourth Proportional to 494,472.18, 741,832.62 and 228,420.93

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Solution

The fourth proportional to 494,472.18, 741,832.62 and 228,420.93 is: 342,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,472.18 : 741,832.62 = 228,420.93 : x
  2. Step 2: Convert to fraction form
    494,472.18/741,832.62 = 228,420.93/x
  3. Step 3: Cross multiply
    494,472.18x = 741,832.62 × 228,420.93
  4. Step 4: Simplify right side
    494,472.18x = 169,450,093,255.57
  5. Step 5: Solve for x
    x = 169,450,093,255.57/494,472.18
  6. Step 6: Final answer
    x = 342,688.83

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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.