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Finding the Fourth Proportional to 355,174.47, 490,132.74 and 194,030.23

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Solution

The fourth proportional to 355,174.47, 490,132.74 and 194,030.23 is: 267,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,174.47 : 490,132.74 = 194,030.23 : x
  2. Step 2: Convert to fraction form
    355,174.47/490,132.74 = 194,030.23/x
  3. Step 3: Cross multiply
    355,174.47x = 490,132.74 × 194,030.23
  4. Step 4: Simplify right side
    355,174.47x = 95,100,568,272.73
  5. Step 5: Solve for x
    x = 95,100,568,272.73/355,174.47
  6. Step 6: Final answer
    x = 267,757.33

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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.