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Finding the Fourth Proportional to 491,474.98, 737,130.12 and 136,524.88

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Solution

The fourth proportional to 491,474.98, 737,130.12 and 136,524.88 is: 204,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,474.98 : 737,130.12 = 136,524.88 : x
  2. Step 2: Convert to fraction form
    491,474.98/737,130.12 = 136,524.88/x
  3. Step 3: Cross multiply
    491,474.98x = 737,130.12 × 136,524.88
  4. Step 4: Simplify right side
    491,474.98x = 100,636,601,177.39
  5. Step 5: Solve for x
    x = 100,636,601,177.39/491,474.98
  6. Step 6: Final answer
    x = 204,764.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.