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Finding the Fourth Proportional to 284,363.34, 426,676.87 and 124,418.19

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Solution

The fourth proportional to 284,363.34, 426,676.87 and 124,418.19 is: 186,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,363.34 : 426,676.87 = 124,418.19 : x
  2. Step 2: Convert to fraction form
    284,363.34/426,676.87 = 124,418.19/x
  3. Step 3: Cross multiply
    284,363.34x = 426,676.87 × 124,418.19
  4. Step 4: Simplify right side
    284,363.34x = 53,086,361,124.79
  5. Step 5: Solve for x
    x = 53,086,361,124.79/284,363.34
  6. Step 6: Final answer
    x = 186,684.97

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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.