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Finding the Fourth Proportional to 577,673.86, 866,936.43 and 274,069.12

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Solution

The fourth proportional to 577,673.86, 866,936.43 and 274,069.12 is: 411,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,673.86 : 866,936.43 = 274,069.12 : x
  2. Step 2: Convert to fraction form
    577,673.86/866,936.43 = 274,069.12/x
  3. Step 3: Cross multiply
    577,673.86x = 866,936.43 × 274,069.12
  4. Step 4: Simplify right side
    577,673.86x = 237,600,504,466.04
  5. Step 5: Solve for x
    x = 237,600,504,466.04/577,673.86
  6. Step 6: Final answer
    x = 411,305.62

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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.