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Finding the Fourth Proportional to 296,245.28, 408,808.32 and 168,961.88

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Solution

The fourth proportional to 296,245.28, 408,808.32 and 168,961.88 is: 233,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,245.28 : 408,808.32 = 168,961.88 : x
  2. Step 2: Convert to fraction form
    296,245.28/408,808.32 = 168,961.88/x
  3. Step 3: Cross multiply
    296,245.28x = 408,808.32 × 168,961.88
  4. Step 4: Simplify right side
    296,245.28x = 69,073,022,306.84
  5. Step 5: Solve for x
    x = 69,073,022,306.84/296,245.28
  6. Step 6: Final answer
    x = 233,161.60

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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.