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Finding the Fourth Proportional to 461,618.96, 637,140.44 and 270,693.86

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Solution

The fourth proportional to 461,618.96, 637,140.44 and 270,693.86 is: 373,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,618.96 : 637,140.44 = 270,693.86 : x
  2. Step 2: Convert to fraction form
    461,618.96/637,140.44 = 270,693.86/x
  3. Step 3: Cross multiply
    461,618.96x = 637,140.44 × 270,693.86
  4. Step 4: Simplify right side
    461,618.96x = 172,470,002,556.73
  5. Step 5: Solve for x
    x = 172,470,002,556.73/461,618.96
  6. Step 6: Final answer
    x = 373,619.85

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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.