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Finding the Fourth Proportional to 360,944.80, 541,230.28 and 192,419.84

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Solution

The fourth proportional to 360,944.80, 541,230.28 and 192,419.84 is: 288,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,944.80 : 541,230.28 = 192,419.84 : x
  2. Step 2: Convert to fraction form
    360,944.80/541,230.28 = 192,419.84/x
  3. Step 3: Cross multiply
    360,944.80x = 541,230.28 × 192,419.84
  4. Step 4: Simplify right side
    360,944.80x = 104,143,444,752.78
  5. Step 5: Solve for x
    x = 104,143,444,752.78/360,944.80
  6. Step 6: Final answer
    x = 288,530.12

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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.