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Finding the Fourth Proportional to 488,637.58, 674,308.11 and 273,786.70

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Solution

The fourth proportional to 488,637.58, 674,308.11 and 273,786.70 is: 377,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,637.58 : 674,308.11 = 273,786.70 : x
  2. Step 2: Convert to fraction form
    488,637.58/674,308.11 = 273,786.70/x
  3. Step 3: Cross multiply
    488,637.58x = 674,308.11 × 273,786.70
  4. Step 4: Simplify right side
    488,637.58x = 184,616,592,220.14
  5. Step 5: Solve for x
    x = 184,616,592,220.14/488,637.58
  6. Step 6: Final answer
    x = 377,819.06

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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.