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Finding the Fourth Proportional to 496,650.72, 685,381.02 and 270,298.56

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Solution

The fourth proportional to 496,650.72, 685,381.02 and 270,298.56 is: 373,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,650.72 : 685,381.02 = 270,298.56 : x
  2. Step 2: Convert to fraction form
    496,650.72/685,381.02 = 270,298.56/x
  3. Step 3: Cross multiply
    496,650.72x = 685,381.02 × 270,298.56
  4. Step 4: Simplify right side
    496,650.72x = 185,257,502,757.33
  5. Step 5: Solve for x
    x = 185,257,502,757.33/496,650.72
  6. Step 6: Final answer
    x = 373,013.66

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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.