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Finding the Fourth Proportional to 488,360.20, 673,905 and 273,451

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Solution

The fourth proportional to 488,360.20, 673,905 and 273,451 is: 377,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,360.20 : 673,905 = 273,451 : x
  2. Step 2: Convert to fraction form
    488,360.20/673,905 = 273,451/x
  3. Step 3: Cross multiply
    488,360.20x = 673,905 × 273,451
  4. Step 4: Simplify right side
    488,360.20x = 184,279,996,155
  5. Step 5: Solve for x
    x = 184,279,996,155/488,360.20
  6. Step 6: Final answer
    x = 377,344.42

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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.