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Finding the Fourth Proportional to 653,570.28, 981,194.97 and 503,905.62

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Solution

The fourth proportional to 653,570.28, 981,194.97 and 503,905.62 is: 756,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,570.28 : 981,194.97 = 503,905.62 : x
  2. Step 2: Convert to fraction form
    653,570.28/981,194.97 = 503,905.62/x
  3. Step 3: Cross multiply
    653,570.28x = 981,194.97 × 503,905.62
  4. Step 4: Simplify right side
    653,570.28x = 494,429,659,698.73
  5. Step 5: Solve for x
    x = 494,429,659,698.73/653,570.28
  6. Step 6: Final answer
    x = 756,505.73

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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.