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Finding the Fourth Proportional to 488,595.33, 674,332.80 and 273,749.94

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Solution

The fourth proportional to 488,595.33, 674,332.80 and 273,749.94 is: 377,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,595.33 : 674,332.80 = 273,749.94 : x
  2. Step 2: Convert to fraction form
    488,595.33/674,332.80 = 273,749.94/x
  3. Step 3: Cross multiply
    488,595.33x = 674,332.80 × 273,749.94
  4. Step 4: Simplify right side
    488,595.33x = 184,598,563,540.03
  5. Step 5: Solve for x
    x = 184,598,563,540.03/488,595.33
  6. Step 6: Final answer
    x = 377,814.83

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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.