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Finding the Fourth Proportional to 496,590.28, 685,238.76 and 292,627.96

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Solution

The fourth proportional to 496,590.28, 685,238.76 and 292,627.96 is: 403,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,590.28 : 685,238.76 = 292,627.96 : x
  2. Step 2: Convert to fraction form
    496,590.28/685,238.76 = 292,627.96/x
  3. Step 3: Cross multiply
    496,590.28x = 685,238.76 × 292,627.96
  4. Step 4: Simplify right side
    496,590.28x = 200,520,020,451.73
  5. Step 5: Solve for x
    x = 200,520,020,451.73/496,590.28
  6. Step 6: Final answer
    x = 403,793.69

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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.