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Finding the Fourth Proportional to 203,953.98, 280,458.27 and 177,049.44

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Solution

The fourth proportional to 203,953.98, 280,458.27 and 177,049.44 is: 243,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,953.98 : 280,458.27 = 177,049.44 : x
  2. Step 2: Convert to fraction form
    203,953.98/280,458.27 = 177,049.44/x
  3. Step 3: Cross multiply
    203,953.98x = 280,458.27 × 177,049.44
  4. Step 4: Simplify right side
    203,953.98x = 49,654,979,646.87
  5. Step 5: Solve for x
    x = 49,654,979,646.87/203,953.98
  6. Step 6: Final answer
    x = 243,461.69

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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.