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Finding the Fourth Proportional to 304,086.28, 419,638.02 and 169,950.28

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Solution

The fourth proportional to 304,086.28, 419,638.02 and 169,950.28 is: 234,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,086.28 : 419,638.02 = 169,950.28 : x
  2. Step 2: Convert to fraction form
    304,086.28/419,638.02 = 169,950.28/x
  3. Step 3: Cross multiply
    304,086.28x = 419,638.02 × 169,950.28
  4. Step 4: Simplify right side
    304,086.28x = 71,317,598,997.65
  5. Step 5: Solve for x
    x = 71,317,598,997.65/304,086.28
  6. Step 6: Final answer
    x = 234,530.80

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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.