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Finding the Fourth Proportional to 484,617.30, 668,764.71 and 269,757.06

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Solution

The fourth proportional to 484,617.30, 668,764.71 and 269,757.06 is: 372,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,617.30 : 668,764.71 = 269,757.06 : x
  2. Step 2: Convert to fraction form
    484,617.30/668,764.71 = 269,757.06/x
  3. Step 3: Cross multiply
    484,617.30x = 668,764.71 × 269,757.06
  4. Step 4: Simplify right side
    484,617.30x = 180,404,002,001.35
  5. Step 5: Solve for x
    x = 180,404,002,001.35/484,617.30
  6. Step 6: Final answer
    x = 372,260.76

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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.