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Finding the Fourth Proportional to 461,615.83, 637,136.14 and 270,690.73

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Solution

The fourth proportional to 461,615.83, 637,136.14 and 270,690.73 is: 373,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,615.83 : 637,136.14 = 270,690.73 : x
  2. Step 2: Convert to fraction form
    461,615.83/637,136.14 = 270,690.73/x
  3. Step 3: Cross multiply
    461,615.83x = 637,136.14 × 270,690.73
  4. Step 4: Simplify right side
    461,615.83x = 172,466,846,845.98
  5. Step 5: Solve for x
    x = 172,466,846,845.98/461,615.83
  6. Step 6: Final answer
    x = 373,615.54

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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.