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Finding the Fourth Proportional to 496,588.28, 685,236 and 292,625.96

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Solution

The fourth proportional to 496,588.28, 685,236 and 292,625.96 is: 403,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,588.28 : 685,236 = 292,625.96 : x
  2. Step 2: Convert to fraction form
    496,588.28/685,236 = 292,625.96/x
  3. Step 3: Cross multiply
    496,588.28x = 685,236 × 292,625.96
  4. Step 4: Simplify right side
    496,588.28x = 200,517,842,326.56
  5. Step 5: Solve for x
    x = 200,517,842,326.56/496,588.28
  6. Step 6: Final answer
    x = 403,790.93

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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.