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Finding the Fourth Proportional to 316,994.30, 437,496.98 and 196,174.49

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Solution

The fourth proportional to 316,994.30, 437,496.98 and 196,174.49 is: 270,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,994.30 : 437,496.98 = 196,174.49 : x
  2. Step 2: Convert to fraction form
    316,994.30/437,496.98 = 196,174.49/x
  3. Step 3: Cross multiply
    316,994.30x = 437,496.98 × 196,174.49
  4. Step 4: Simplify right side
    316,994.30x = 85,825,743,759.68
  5. Step 5: Solve for x
    x = 85,825,743,759.68/316,994.30
  6. Step 6: Final answer
    x = 270,748.54

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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.