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Finding the Fourth Proportional to 488,499.96, 674,122.55 and 273,647.71

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Solution

The fourth proportional to 488,499.96, 674,122.55 and 273,647.71 is: 377,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,499.96 : 674,122.55 = 273,647.71 : x
  2. Step 2: Convert to fraction form
    488,499.96/674,122.55 = 273,647.71/x
  3. Step 3: Cross multiply
    488,499.96x = 674,122.55 × 273,647.71
  4. Step 4: Simplify right side
    488,499.96x = 184,472,092,606.55
  5. Step 5: Solve for x
    x = 184,472,092,606.55/488,499.96
  6. Step 6: Final answer
    x = 377,629.70

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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.