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Finding the Fourth Proportional to 431,795.20, 595,637.76 and 252,912.64

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Solution

The fourth proportional to 431,795.20, 595,637.76 and 252,912.64 is: 348,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,795.20 : 595,637.76 = 252,912.64 : x
  2. Step 2: Convert to fraction form
    431,795.20/595,637.76 = 252,912.64/x
  3. Step 3: Cross multiply
    431,795.20x = 595,637.76 × 252,912.64
  4. Step 4: Simplify right side
    431,795.20x = 150,644,318,365.29
  5. Step 5: Solve for x
    x = 150,644,318,365.29/431,795.20
  6. Step 6: Final answer
    x = 348,879.09

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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.