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Finding the Fourth Proportional to 311,493.50, 467,218.38 and 177,955.28

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Solution

The fourth proportional to 311,493.50, 467,218.38 and 177,955.28 is: 266,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,493.50 : 467,218.38 = 177,955.28 : x
  2. Step 2: Convert to fraction form
    311,493.50/467,218.38 = 177,955.28/x
  3. Step 3: Cross multiply
    311,493.50x = 467,218.38 × 177,955.28
  4. Step 4: Simplify right side
    311,493.50x = 83,143,976,716.36
  5. Step 5: Solve for x
    x = 83,143,976,716.36/311,493.50
  6. Step 6: Final answer
    x = 266,920.42

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1.5x scale

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.