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Finding the Fourth Proportional to 488,602.96, 674,260.36 and 273,749.84

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Solution

The fourth proportional to 488,602.96, 674,260.36 and 273,749.84 is: 377,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,602.96 : 674,260.36 = 273,749.84 : x
  2. Step 2: Convert to fraction form
    488,602.96/674,260.36 = 273,749.84/x
  3. Step 3: Cross multiply
    488,602.96x = 674,260.36 × 273,749.84
  4. Step 4: Simplify right side
    488,602.96x = 184,578,665,668.34
  5. Step 5: Solve for x
    x = 184,578,665,668.34/488,602.96
  6. Step 6: Final answer
    x = 377,768.21

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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.