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Finding the Fourth Proportional to 283,658.70, 426,121.65 and 237,002.70

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Solution

The fourth proportional to 283,658.70, 426,121.65 and 237,002.70 is: 356,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,658.70 : 426,121.65 = 237,002.70 : x
  2. Step 2: Convert to fraction form
    283,658.70/426,121.65 = 237,002.70/x
  3. Step 3: Cross multiply
    283,658.70x = 426,121.65 × 237,002.70
  4. Step 4: Simplify right side
    283,658.70x = 100,991,981,578.46
  5. Step 5: Solve for x
    x = 100,991,981,578.46/283,658.70
  6. Step 6: Final answer
    x = 356,033.44

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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.