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Finding the Fourth Proportional to 979,797.02, 1,469,702.80 and 269,864

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Solution

The fourth proportional to 979,797.02, 1,469,702.80 and 269,864 is: 404,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,797.02 : 1,469,702.80 = 269,864 : x
  2. Step 2: Convert to fraction form
    979,797.02/1,469,702.80 = 269,864/x
  3. Step 3: Cross multiply
    979,797.02x = 1,469,702.80 × 269,864
  4. Step 4: Simplify right side
    979,797.02x = 396,619,876,419.20
  5. Step 5: Solve for x
    x = 396,619,876,419.20/979,797.02
  6. Step 6: Final answer
    x = 404,798.00

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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.