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Finding the Fourth Proportional to 568,883.90, 785,027.24 and 339,699.80

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Solution

The fourth proportional to 568,883.90, 785,027.24 and 339,699.80 is: 468,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,883.90 : 785,027.24 = 339,699.80 : x
  2. Step 2: Convert to fraction form
    568,883.90/785,027.24 = 339,699.80/x
  3. Step 3: Cross multiply
    568,883.90x = 785,027.24 × 339,699.80
  4. Step 4: Simplify right side
    568,883.90x = 266,673,590,798.92
  5. Step 5: Solve for x
    x = 266,673,590,798.92/568,883.90
  6. Step 6: Final answer
    x = 468,766.29

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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.