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Finding the Fourth Proportional to 355,235.76, 490,219.56 and 194,087.34

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Solution

The fourth proportional to 355,235.76, 490,219.56 and 194,087.34 is: 267,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.76 : 490,219.56 = 194,087.34 : x
  2. Step 2: Convert to fraction form
    355,235.76/490,219.56 = 194,087.34/x
  3. Step 3: Cross multiply
    355,235.76x = 490,219.56 × 194,087.34
  4. Step 4: Simplify right side
    355,235.76x = 95,145,410,416.37
  5. Step 5: Solve for x
    x = 95,145,410,416.37/355,235.76
  6. Step 6: Final answer
    x = 267,837.37

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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.