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Finding the Fourth Proportional to 488,627.94, 674,325.90 and 273,769.77

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Solution

The fourth proportional to 488,627.94, 674,325.90 and 273,769.77 is: 377,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,627.94 : 674,325.90 = 273,769.77 : x
  2. Step 2: Convert to fraction form
    488,627.94/674,325.90 = 273,769.77/x
  3. Step 3: Cross multiply
    488,627.94x = 674,325.90 × 273,769.77
  4. Step 4: Simplify right side
    488,627.94x = 184,610,046,548.04
  5. Step 5: Solve for x
    x = 184,610,046,548.04/488,627.94
  6. Step 6: Final answer
    x = 377,813.12

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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.