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Finding the Fourth Proportional to 274,603.72, 378,757.44 and 252,015.64

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Solution

The fourth proportional to 274,603.72, 378,757.44 and 252,015.64 is: 347,601.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,603.72 : 378,757.44 = 252,015.64 : x
  2. Step 2: Convert to fraction form
    274,603.72/378,757.44 = 252,015.64/x
  3. Step 3: Cross multiply
    274,603.72x = 378,757.44 × 252,015.64
  4. Step 4: Simplify right side
    274,603.72x = 95,452,798,646.36
  5. Step 5: Solve for x
    x = 95,452,798,646.36/274,603.72
  6. Step 6: Final answer
    x = 347,601.99

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1.5x scale

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.