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Finding the Fourth Proportional to 284,379.46, 426,648.90 and 124,469.33

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Solution

The fourth proportional to 284,379.46, 426,648.90 and 124,469.33 is: 186,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,379.46 : 426,648.90 = 124,469.33 : x
  2. Step 2: Convert to fraction form
    284,379.46/426,648.90 = 124,469.33/x
  3. Step 3: Cross multiply
    284,379.46x = 426,648.90 × 124,469.33
  4. Step 4: Simplify right side
    284,379.46x = 53,104,701,061.75
  5. Step 5: Solve for x
    x = 53,104,701,061.75/284,379.46
  6. Step 6: Final answer
    x = 186,738.88

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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.