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Finding the Fourth Proportional to 497,042.96, 685,926.60 and 270,687.92

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Solution

The fourth proportional to 497,042.96, 685,926.60 and 270,687.92 is: 373,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,042.96 : 685,926.60 = 270,687.92 : x
  2. Step 2: Convert to fraction form
    497,042.96/685,926.60 = 270,687.92/x
  3. Step 3: Cross multiply
    497,042.96x = 685,926.60 × 270,687.92
  4. Step 4: Simplify right side
    497,042.96x = 185,672,044,626.67
  5. Step 5: Solve for x
    x = 185,672,044,626.67/497,042.96
  6. Step 6: Final answer
    x = 373,553.31

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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.