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Finding the Fourth Proportional to 489,067.70, 733,601.55 and 204,709.10

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Solution

The fourth proportional to 489,067.70, 733,601.55 and 204,709.10 is: 307,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,067.70 : 733,601.55 = 204,709.10 : x
  2. Step 2: Convert to fraction form
    489,067.70/733,601.55 = 204,709.10/x
  3. Step 3: Cross multiply
    489,067.70x = 733,601.55 × 204,709.10
  4. Step 4: Simplify right side
    489,067.70x = 150,174,913,059.11
  5. Step 5: Solve for x
    x = 150,174,913,059.11/489,067.70
  6. Step 6: Final answer
    x = 307,063.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.