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Finding the Fourth Proportional to 351,952.56, 485,720.28 and 201,046.32

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Solution

The fourth proportional to 351,952.56, 485,720.28 and 201,046.32 is: 277,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,952.56 : 485,720.28 = 201,046.32 : x
  2. Step 2: Convert to fraction form
    351,952.56/485,720.28 = 201,046.32/x
  3. Step 3: Cross multiply
    351,952.56x = 485,720.28 × 201,046.32
  4. Step 4: Simplify right side
    351,952.56x = 97,652,274,843.37
  5. Step 5: Solve for x
    x = 97,652,274,843.37/351,952.56
  6. Step 6: Final answer
    x = 277,458.63

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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.