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Finding the Fourth Proportional to 352,049, 485,858.34 and 193,103.72

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Solution

The fourth proportional to 352,049, 485,858.34 and 193,103.72 is: 266,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,049 : 485,858.34 = 193,103.72 : x
  2. Step 2: Convert to fraction form
    352,049/485,858.34 = 193,103.72/x
  3. Step 3: Cross multiply
    352,049x = 485,858.34 × 193,103.72
  4. Step 4: Simplify right side
    352,049x = 93,821,052,847.02
  5. Step 5: Solve for x
    x = 93,821,052,847.02/352,049
  6. Step 6: Final answer
    x = 266,499.98

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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.