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Finding the Fourth Proportional to 431,392.10, 595,294.94 and 237,791.34

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Solution

The fourth proportional to 431,392.10, 595,294.94 and 237,791.34 is: 328,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,392.10 : 595,294.94 = 237,791.34 : x
  2. Step 2: Convert to fraction form
    431,392.10/595,294.94 = 237,791.34/x
  3. Step 3: Cross multiply
    431,392.10x = 595,294.94 × 237,791.34
  4. Step 4: Simplify right side
    431,392.10x = 141,555,982,072.30
  5. Step 5: Solve for x
    x = 141,555,982,072.30/431,392.10
  6. Step 6: Final answer
    x = 328,137.64

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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.