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Finding the Fourth Proportional to 568,999.70, 853,827.60 and 214,268.30

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Solution

The fourth proportional to 568,999.70, 853,827.60 and 214,268.30 is: 321,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,999.70 : 853,827.60 = 214,268.30 : x
  2. Step 2: Convert to fraction form
    568,999.70/853,827.60 = 214,268.30/x
  3. Step 3: Cross multiply
    568,999.70x = 853,827.60 × 214,268.30
  4. Step 4: Simplify right side
    568,999.70x = 182,948,188,345.08
  5. Step 5: Solve for x
    x = 182,948,188,345.08/568,999.70
  6. Step 6: Final answer
    x = 321,525.98

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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.