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Finding the Fourth Proportional to 362,711.70, 544,067.55 and 323,313.30

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Solution

The fourth proportional to 362,711.70, 544,067.55 and 323,313.30 is: 484,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,711.70 : 544,067.55 = 323,313.30 : x
  2. Step 2: Convert to fraction form
    362,711.70/544,067.55 = 323,313.30/x
  3. Step 3: Cross multiply
    362,711.70x = 544,067.55 × 323,313.30
  4. Step 4: Simplify right side
    362,711.70x = 175,904,275,013.42
  5. Step 5: Solve for x
    x = 175,904,275,013.42/362,711.70
  6. Step 6: Final answer
    x = 484,969.95

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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.