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Finding the Fourth Proportional to 352,080.72, 485,862.84 and 201,168

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Solution

The fourth proportional to 352,080.72, 485,862.84 and 201,168 is: 277,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,080.72 : 485,862.84 = 201,168 : x
  2. Step 2: Convert to fraction form
    352,080.72/485,862.84 = 201,168/x
  3. Step 3: Cross multiply
    352,080.72x = 485,862.84 × 201,168
  4. Step 4: Simplify right side
    352,080.72x = 97,740,055,797.12
  5. Step 5: Solve for x
    x = 97,740,055,797.12/352,080.72
  6. Step 6: Final answer
    x = 277,606.95

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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.