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Finding the Fourth Proportional to 569,003.49, 853,632.36 and 214,020.63

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Solution

The fourth proportional to 569,003.49, 853,632.36 and 214,020.63 is: 321,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,003.49 : 853,632.36 = 214,020.63 : x
  2. Step 2: Convert to fraction form
    569,003.49/853,632.36 = 214,020.63/x
  3. Step 3: Cross multiply
    569,003.49x = 853,632.36 × 214,020.63
  4. Step 4: Simplify right side
    569,003.49x = 182,694,935,475.59
  5. Step 5: Solve for x
    x = 182,694,935,475.59/569,003.49
  6. Step 6: Final answer
    x = 321,078.76

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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.