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Finding the Fourth Proportional to 496,540.94, 685,107.06 and 292,600.22

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Solution

The fourth proportional to 496,540.94, 685,107.06 and 292,600.22 is: 403,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,540.94 : 685,107.06 = 292,600.22 : x
  2. Step 2: Convert to fraction form
    496,540.94/685,107.06 = 292,600.22/x
  3. Step 3: Cross multiply
    496,540.94x = 685,107.06 × 292,600.22
  4. Step 4: Simplify right side
    496,540.94x = 200,462,476,479.55
  5. Step 5: Solve for x
    x = 200,462,476,479.55/496,540.94
  6. Step 6: Final answer
    x = 403,717.92

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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.