Home / 349,772.20-482,671.38-206,578.60

Finding the Fourth Proportional to 349,772.20, 482,671.38 and 206,578.60

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Solution

The fourth proportional to 349,772.20, 482,671.38 and 206,578.60 is: 285,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,772.20 : 482,671.38 = 206,578.60 : x
  2. Step 2: Convert to fraction form
    349,772.20/482,671.38 = 206,578.60/x
  3. Step 3: Cross multiply
    349,772.20x = 482,671.38 × 206,578.60
  4. Step 4: Simplify right side
    349,772.20x = 99,709,577,940.47
  5. Step 5: Solve for x
    x = 99,709,577,940.47/349,772.20
  6. Step 6: Final answer
    x = 285,070.05

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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.