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Finding the Fourth Proportional to 496,183.70, 684,763.50 and 292,370.69

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Solution

The fourth proportional to 496,183.70, 684,763.50 and 292,370.69 is: 403,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,183.70 : 684,763.50 = 292,370.69 : x
  2. Step 2: Convert to fraction form
    496,183.70/684,763.50 = 292,370.69/x
  3. Step 3: Cross multiply
    496,183.70x = 684,763.50 × 292,370.69
  4. Step 4: Simplify right side
    496,183.70x = 200,204,773,558.00
  5. Step 5: Solve for x
    x = 200,204,773,558.00/496,183.70
  6. Step 6: Final answer
    x = 403,489.22

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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.