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Finding the Fourth Proportional to 627,480.43, 941,242.71 and 201,029.20

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Solution

The fourth proportional to 627,480.43, 941,242.71 and 201,029.20 is: 301,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,480.43 : 941,242.71 = 201,029.20 : x
  2. Step 2: Convert to fraction form
    627,480.43/941,242.71 = 201,029.20/x
  3. Step 3: Cross multiply
    627,480.43x = 941,242.71 × 201,029.20
  4. Step 4: Simplify right side
    627,480.43x = 189,217,268,997.13
  5. Step 5: Solve for x
    x = 189,217,268,997.13/627,480.43
  6. Step 6: Final answer
    x = 301,550.87

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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.