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Finding the Fourth Proportional to 488,659.54, 674,341.70 and 273,798.94

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Solution

The fourth proportional to 488,659.54, 674,341.70 and 273,798.94 is: 377,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,659.54 : 674,341.70 = 273,798.94 : x
  2. Step 2: Convert to fraction form
    488,659.54/674,341.70 = 273,798.94/x
  3. Step 3: Cross multiply
    488,659.54x = 674,341.70 × 273,798.94
  4. Step 4: Simplify right side
    488,659.54x = 184,634,042,657.80
  5. Step 5: Solve for x
    x = 184,634,042,657.80/488,659.54
  6. Step 6: Final answer
    x = 377,837.79

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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.