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Finding the Fourth Proportional to 256,270.52, 353,653.34 and 143,093.27

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Solution

The fourth proportional to 256,270.52, 353,653.34 and 143,093.27 is: 197,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,270.52 : 353,653.34 = 143,093.27 : x
  2. Step 2: Convert to fraction form
    256,270.52/353,653.34 = 143,093.27/x
  3. Step 3: Cross multiply
    256,270.52x = 353,653.34 × 143,093.27
  4. Step 4: Simplify right side
    256,270.52x = 50,605,410,383.29
  5. Step 5: Solve for x
    x = 50,605,410,383.29/256,270.52
  6. Step 6: Final answer
    x = 197,468.72

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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.