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Finding the Fourth Proportional to 264,732, 397,098 and 67,740

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Solution

The fourth proportional to 264,732, 397,098 and 67,740 is: 101,610

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,732 : 397,098 = 67,740 : x
  2. Step 2: Convert to fraction form
    264,732/397,098 = 67,740/x
  3. Step 3: Cross multiply
    264,732x = 397,098 × 67,740
  4. Step 4: Simplify right side
    264,732x = 26,899,418,520
  5. Step 5: Solve for x
    x = 26,899,418,520/264,732
  6. Step 6: Final answer
    x = 101,610

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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.