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Finding the Fourth Proportional to 203,493.44, 280,544.64 and 171,606.44

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Solution

The fourth proportional to 203,493.44, 280,544.64 and 171,606.44 is: 236,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,493.44 : 280,544.64 = 171,606.44 : x
  2. Step 2: Convert to fraction form
    203,493.44/280,544.64 = 171,606.44/x
  3. Step 3: Cross multiply
    203,493.44x = 280,544.64 × 171,606.44
  4. Step 4: Simplify right side
    203,493.44x = 48,143,266,931.48
  5. Step 5: Solve for x
    x = 48,143,266,931.48/203,493.44
  6. Step 6: Final answer
    x = 236,583.88

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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.