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Finding the Fourth Proportional to 601,722.56, 902,350.48 and 321,086.72

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Solution

The fourth proportional to 601,722.56, 902,350.48 and 321,086.72 is: 481,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,722.56 : 902,350.48 = 321,086.72 : x
  2. Step 2: Convert to fraction form
    601,722.56/902,350.48 = 321,086.72/x
  3. Step 3: Cross multiply
    601,722.56x = 902,350.48 × 321,086.72
  4. Step 4: Simplify right side
    601,722.56x = 289,732,755,913.63
  5. Step 5: Solve for x
    x = 289,732,755,913.63/601,722.56
  6. Step 6: Final answer
    x = 481,505.56

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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.