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Finding the Fourth Proportional to 673,304, 929,178.98 and 371,517.44

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Solution

The fourth proportional to 673,304, 929,178.98 and 371,517.44 is: 512,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,304 : 929,178.98 = 371,517.44 : x
  2. Step 2: Convert to fraction form
    673,304/929,178.98 = 371,517.44/x
  3. Step 3: Cross multiply
    673,304x = 929,178.98 × 371,517.44
  4. Step 4: Simplify right side
    673,304x = 345,206,194,093.82
  5. Step 5: Solve for x
    x = 345,206,194,093.82/673,304
  6. Step 6: Final answer
    x = 512,704.80

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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.