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Finding the Fourth Proportional to 218,104.17, 301,213.20 and 194,329.20

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Solution

The fourth proportional to 218,104.17, 301,213.20 and 194,329.20 is: 268,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,104.17 : 301,213.20 = 194,329.20 : x
  2. Step 2: Convert to fraction form
    218,104.17/301,213.20 = 194,329.20/x
  3. Step 3: Cross multiply
    218,104.17x = 301,213.20 × 194,329.20
  4. Step 4: Simplify right side
    218,104.17x = 58,534,520,185.44
  5. Step 5: Solve for x
    x = 58,534,520,185.44/218,104.17
  6. Step 6: Final answer
    x = 268,378.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.