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Finding the Fourth Proportional to 530,791.67, 732,513.23 and 301,370.30

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Solution

The fourth proportional to 530,791.67, 732,513.23 and 301,370.30 is: 415,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,791.67 : 732,513.23 = 301,370.30 : x
  2. Step 2: Convert to fraction form
    530,791.67/732,513.23 = 301,370.30/x
  3. Step 3: Cross multiply
    530,791.67x = 732,513.23 × 301,370.30
  4. Step 4: Simplify right side
    530,791.67x = 220,757,726,709.65
  5. Step 5: Solve for x
    x = 220,757,726,709.65/530,791.67
  6. Step 6: Final answer
    x = 415,902.78

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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.