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Finding the Fourth Proportional to 488,584.96, 674,266.60 and 273,726.80

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Solution

The fourth proportional to 488,584.96, 674,266.60 and 273,726.80 is: 377,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,584.96 : 674,266.60 = 273,726.80 : x
  2. Step 2: Convert to fraction form
    488,584.96/674,266.60 = 273,726.80/x
  3. Step 3: Cross multiply
    488,584.96x = 674,266.60 × 273,726.80
  4. Step 4: Simplify right side
    488,584.96x = 184,564,838,764.88
  5. Step 5: Solve for x
    x = 184,564,838,764.88/488,584.96
  6. Step 6: Final answer
    x = 377,753.83

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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.