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Finding the Fourth Proportional to 341,976.80, 512,965.20 and 313,983.20

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Solution

The fourth proportional to 341,976.80, 512,965.20 and 313,983.20 is: 470,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,976.80 : 512,965.20 = 313,983.20 : x
  2. Step 2: Convert to fraction form
    341,976.80/512,965.20 = 313,983.20/x
  3. Step 3: Cross multiply
    341,976.80x = 512,965.20 × 313,983.20
  4. Step 4: Simplify right side
    341,976.80x = 161,062,454,984.64
  5. Step 5: Solve for x
    x = 161,062,454,984.64/341,976.80
  6. Step 6: Final answer
    x = 470,974.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.