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Finding the Fourth Proportional to 483,910.76, 725,788.37 and 151,486.76

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Solution

The fourth proportional to 483,910.76, 725,788.37 and 151,486.76 is: 227,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,910.76 : 725,788.37 = 151,486.76 : x
  2. Step 2: Convert to fraction form
    483,910.76/725,788.37 = 151,486.76/x
  3. Step 3: Cross multiply
    483,910.76x = 725,788.37 × 151,486.76
  4. Step 4: Simplify right side
    483,910.76x = 109,947,325,366.76
  5. Step 5: Solve for x
    x = 109,947,325,366.76/483,910.76
  6. Step 6: Final answer
    x = 227,205.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.