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Finding the Fourth Proportional to 339,939.70, 510,103.95 and 234,834.10

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Solution

The fourth proportional to 339,939.70, 510,103.95 and 234,834.10 is: 352,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,939.70 : 510,103.95 = 234,834.10 : x
  2. Step 2: Convert to fraction form
    339,939.70/510,103.95 = 234,834.10/x
  3. Step 3: Cross multiply
    339,939.70x = 510,103.95 × 234,834.10
  4. Step 4: Simplify right side
    339,939.70x = 119,789,802,004.70
  5. Step 5: Solve for x
    x = 119,789,802,004.70/339,939.70
  6. Step 6: Final answer
    x = 352,385.44

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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.