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Finding the Fourth Proportional to 488,308.28, 673,907.82 and 273,444.44

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Solution

The fourth proportional to 488,308.28, 673,907.82 and 273,444.44 is: 377,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,308.28 : 673,907.82 = 273,444.44 : x
  2. Step 2: Convert to fraction form
    488,308.28/673,907.82 = 273,444.44/x
  3. Step 3: Cross multiply
    488,308.28x = 673,907.82 × 273,444.44
  4. Step 4: Simplify right side
    488,308.28x = 184,276,346,451.52
  5. Step 5: Solve for x
    x = 184,276,346,451.52/488,308.28
  6. Step 6: Final answer
    x = 377,377.07

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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.