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Finding the Fourth Proportional to 431,564.56, 595,559.20 and 240,573.84

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Solution

The fourth proportional to 431,564.56, 595,559.20 and 240,573.84 is: 331,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,564.56 : 595,559.20 = 240,573.84 : x
  2. Step 2: Convert to fraction form
    431,564.56/595,559.20 = 240,573.84/x
  3. Step 3: Cross multiply
    431,564.56x = 595,559.20 × 240,573.84
  4. Step 4: Simplify right side
    431,564.56x = 143,275,963,691.33
  5. Step 5: Solve for x
    x = 143,275,963,691.33/431,564.56
  6. Step 6: Final answer
    x = 331,991.96

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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.