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Finding the Fourth Proportional to 483,879.42, 725,966.76 and 247,388.18

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Solution

The fourth proportional to 483,879.42, 725,966.76 and 247,388.18 is: 371,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,879.42 : 725,966.76 = 247,388.18 : x
  2. Step 2: Convert to fraction form
    483,879.42/725,966.76 = 247,388.18/x
  3. Step 3: Cross multiply
    483,879.42x = 725,966.76 × 247,388.18
  4. Step 4: Simplify right side
    483,879.42x = 179,595,591,867.06
  5. Step 5: Solve for x
    x = 179,595,591,867.06/483,879.42
  6. Step 6: Final answer
    x = 371,157.74

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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.