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Finding the Fourth Proportional to 355,671.01, 490,819.08 and 194,525.56

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Solution

The fourth proportional to 355,671.01, 490,819.08 and 194,525.56 is: 268,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,671.01 : 490,819.08 = 194,525.56 : x
  2. Step 2: Convert to fraction form
    355,671.01/490,819.08 = 194,525.56/x
  3. Step 3: Cross multiply
    355,671.01x = 490,819.08 × 194,525.56
  4. Step 4: Simplify right side
    355,671.01x = 95,476,856,395.68
  5. Step 5: Solve for x
    x = 95,476,856,395.68/355,671.01
  6. Step 6: Final answer
    x = 268,441.49

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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.