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Finding the Fourth Proportional to 330,836.99, 456,659.12 and 187,692.17

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Solution

The fourth proportional to 330,836.99, 456,659.12 and 187,692.17 is: 259,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,836.99 : 456,659.12 = 187,692.17 : x
  2. Step 2: Convert to fraction form
    330,836.99/456,659.12 = 187,692.17/x
  3. Step 3: Cross multiply
    330,836.99x = 456,659.12 × 187,692.17
  4. Step 4: Simplify right side
    330,836.99x = 85,711,341,183.09
  5. Step 5: Solve for x
    x = 85,711,341,183.09/330,836.99
  6. Step 6: Final answer
    x = 259,074.24

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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.