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Finding the Fourth Proportional to 496,161.52, 684,720.92 and 284,234.48

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Solution

The fourth proportional to 496,161.52, 684,720.92 and 284,234.48 is: 392,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,161.52 : 684,720.92 = 284,234.48 : x
  2. Step 2: Convert to fraction form
    496,161.52/684,720.92 = 284,234.48/x
  3. Step 3: Cross multiply
    496,161.52x = 684,720.92 × 284,234.48
  4. Step 4: Simplify right side
    496,161.52x = 194,621,294,641.32
  5. Step 5: Solve for x
    x = 194,621,294,641.32/496,161.52
  6. Step 6: Final answer
    x = 392,253.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.