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Finding the Fourth Proportional to 304,021.12, 419,548.48 and 169,885.12

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Solution

The fourth proportional to 304,021.12, 419,548.48 and 169,885.12 is: 234,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,021.12 : 419,548.48 = 169,885.12 : x
  2. Step 2: Convert to fraction form
    304,021.12/419,548.48 = 169,885.12/x
  3. Step 3: Cross multiply
    304,021.12x = 419,548.48 × 169,885.12
  4. Step 4: Simplify right side
    304,021.12x = 71,275,043,870.62
  5. Step 5: Solve for x
    x = 71,275,043,870.62/304,021.12
  6. Step 6: Final answer
    x = 234,441.09

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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.