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Finding the Fourth Proportional to 304,284.28, 419,770.90 and 196,888.92

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Solution

The fourth proportional to 304,284.28, 419,770.90 and 196,888.92 is: 271,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,284.28 : 419,770.90 = 196,888.92 : x
  2. Step 2: Convert to fraction form
    304,284.28/419,770.90 = 196,888.92/x
  3. Step 3: Cross multiply
    304,284.28x = 419,770.90 × 196,888.92
  4. Step 4: Simplify right side
    304,284.28x = 82,648,239,148.43
  5. Step 5: Solve for x
    x = 82,648,239,148.43/304,284.28
  6. Step 6: Final answer
    x = 271,615.21

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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.