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Finding the Fourth Proportional to 471,493.20, 650,879.88 and 277,839.96

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Solution

The fourth proportional to 471,493.20, 650,879.88 and 277,839.96 is: 383,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,493.20 : 650,879.88 = 277,839.96 : x
  2. Step 2: Convert to fraction form
    471,493.20/650,879.88 = 277,839.96/x
  3. Step 3: Cross multiply
    471,493.20x = 650,879.88 × 277,839.96
  4. Step 4: Simplify right side
    471,493.20x = 180,840,439,824.01
  5. Step 5: Solve for x
    x = 180,840,439,824.01/471,493.20
  6. Step 6: Final answer
    x = 383,548.35

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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.