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Finding the Fourth Proportional to 496,514.02, 685,239.78 and 292,630.59

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Solution

The fourth proportional to 496,514.02, 685,239.78 and 292,630.59 is: 403,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,514.02 : 685,239.78 = 292,630.59 : x
  2. Step 2: Convert to fraction form
    496,514.02/685,239.78 = 292,630.59/x
  3. Step 3: Cross multiply
    496,514.02x = 685,239.78 × 292,630.59
  4. Step 4: Simplify right side
    496,514.02x = 200,522,121,112.87
  5. Step 5: Solve for x
    x = 200,522,121,112.87/496,514.02
  6. Step 6: Final answer
    x = 403,859.94

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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.