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Finding the Fourth Proportional to 304,594.50, 420,282.09 and 197,149.62

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Solution

The fourth proportional to 304,594.50, 420,282.09 and 197,149.62 is: 272,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,594.50 : 420,282.09 = 197,149.62 : x
  2. Step 2: Convert to fraction form
    304,594.50/420,282.09 = 197,149.62/x
  3. Step 3: Cross multiply
    304,594.50x = 420,282.09 × 197,149.62
  4. Step 4: Simplify right side
    304,594.50x = 82,858,454,336.31
  5. Step 5: Solve for x
    x = 82,858,454,336.31/304,594.50
  6. Step 6: Final answer
    x = 272,028.73

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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.