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Finding the Fourth Proportional to 488,561.14, 674,206.50 and 273,699.82

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Solution

The fourth proportional to 488,561.14, 674,206.50 and 273,699.82 is: 377,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,561.14 : 674,206.50 = 273,699.82 : x
  2. Step 2: Convert to fraction form
    488,561.14/674,206.50 = 273,699.82/x
  3. Step 3: Cross multiply
    488,561.14x = 674,206.50 × 273,699.82
  4. Step 4: Simplify right side
    488,561.14x = 184,530,197,692.83
  5. Step 5: Solve for x
    x = 184,530,197,692.83/488,561.14
  6. Step 6: Final answer
    x = 377,701.34

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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.