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Finding the Fourth Proportional to 484,935.97, 669,232.38 and 270,076

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Solution

The fourth proportional to 484,935.97, 669,232.38 and 270,076 is: 372,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,935.97 : 669,232.38 = 270,076 : x
  2. Step 2: Convert to fraction form
    484,935.97/669,232.38 = 270,076/x
  3. Step 3: Cross multiply
    484,935.97x = 669,232.38 × 270,076
  4. Step 4: Simplify right side
    484,935.97x = 180,743,604,260.88
  5. Step 5: Solve for x
    x = 180,743,604,260.88/484,935.97
  6. Step 6: Final answer
    x = 372,716.43

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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.