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Finding the Fourth Proportional to 389,552.70, 584,329.05 and 179,600.70

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Solution

The fourth proportional to 389,552.70, 584,329.05 and 179,600.70 is: 269,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,552.70 : 584,329.05 = 179,600.70 : x
  2. Step 2: Convert to fraction form
    389,552.70/584,329.05 = 179,600.70/x
  3. Step 3: Cross multiply
    389,552.70x = 584,329.05 × 179,600.70
  4. Step 4: Simplify right side
    389,552.70x = 104,945,906,410.34
  5. Step 5: Solve for x
    x = 104,945,906,410.34/389,552.70
  6. Step 6: Final answer
    x = 269,401.05

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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.