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Finding the Fourth Proportional to 264,486, 396,729 and 67,494

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Solution

The fourth proportional to 264,486, 396,729 and 67,494 is: 101,241

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,486 : 396,729 = 67,494 : x
  2. Step 2: Convert to fraction form
    264,486/396,729 = 67,494/x
  3. Step 3: Cross multiply
    264,486x = 396,729 × 67,494
  4. Step 4: Simplify right side
    264,486x = 26,776,827,126
  5. Step 5: Solve for x
    x = 26,776,827,126/264,486
  6. Step 6: Final answer
    x = 101,241

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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.