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Finding the Fourth Proportional to 488,624.94, 674,321.76 and 273,766.77

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Solution

The fourth proportional to 488,624.94, 674,321.76 and 273,766.77 is: 377,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,624.94 : 674,321.76 = 273,766.77 : x
  2. Step 2: Convert to fraction form
    488,624.94/674,321.76 = 273,766.77/x
  3. Step 3: Cross multiply
    488,624.94x = 674,321.76 × 273,766.77
  4. Step 4: Simplify right side
    488,624.94x = 184,606,890,175.92
  5. Step 5: Solve for x
    x = 184,606,890,175.92/488,624.94
  6. Step 6: Final answer
    x = 377,808.98

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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.